49634551 has 2 divisors, whose sum is σ = 49634552. Its totient is φ = 49634550.

The previous prime is 49634549. The next prime is 49634561. The reversal of 49634551 is 15543694.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49634551 - 2¹ = 49634549 is a prime.

Together with 49634549, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 49634551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49634561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24817275 + 24817276.

It is an arithmetic number, because the mean of its divisors is an integer number (24817276).

Almost surely, 2^49634551 is an apocalyptic number.

49634551 is a deficient number, since it is larger than the sum of its proper divisors (1).

49634551 is an equidigital number, since it uses as much as digits as its factorization.

49634551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The square root of 49634551 is about 7045.1792738013. The cubic root of 49634551 is about 367.5034037971.

The spelling of 49634551 in words is "forty-nine million, six hundred thirty-four thousand, five hundred fifty-one".