49400529159601 has 9 divisors (see below), whose sum is σ = 50034330175851. Its totient is φ = 48774657778704.

The previous prime is 49400529159589. The next prime is 49400529159661. The reversal of 49400529159601 is 10695192500494.

It is a happy number.

The square root of 49400529159601 is 7028551.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 33698013390001 + 15702515769600 = 5804999^2 + 3962640^2 .

It is not a de Polignac number, because 49400529159601 - 2¹³ = 49400529151409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49400529159661) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 555211045 + ... + 555300013.

It is an arithmetic number, because the mean of its divisors is an integer number (5559370019539).

Almost surely, 2^{49400529159601} is an apocalyptic number.

49400529159601 is the 7028551-st square number.

49400529159601 is the 3514276-th centered octagonal number.

It is an amenable number.

49400529159601 is a deficient number, since it is larger than the sum of its proper divisors (633801016250).

49400529159601 is an frugal number, since it uses more digits than its factorization.

49400529159601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178096 (or 89048 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 55.

The spelling of 49400529159601 in words is "forty-nine trillion, four hundred billion, five hundred twenty-nine million, one hundred fifty-nine thousand, six hundred one".