49931901 has 12 divisors (see below), whose sum is σ = 73801728. Its totient is φ = 32513544.

The previous prime is 49931899. The next prime is 49931909. The reversal of 49931901 is 10913994.

It is not a de Polignac number, because 49931901 - 2¹ = 49931899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49931909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64125 + ... + 64898.

It is an arithmetic number, because the mean of its divisors is an integer number (6150144).

Almost surely, 2^49931901 is an apocalyptic number.

It is an amenable number.

49931901 is a deficient number, since it is larger than the sum of its proper divisors (23869827).

49931901 is a wasteful number, since it uses less digits than its factorization.

49931901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129072 (or 129069 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 49931901 is about 7066.2508446842. The cubic root of 49931901 is about 368.2358213010.

It can be divided in two parts, 499 and 31901, that added together give a square (32400 = 180²).

The spelling of 49931901 in words is "forty-nine million, nine hundred thirty-one thousand, nine hundred one".