49558051690 has 192 divisors, whose sum is σ = 113257267200. Its totient is φ = 15513773184.

The previous prime is 49558051661. The next prime is 49558051691. The reversal of 49558051690 is 9615085594.

It is a super-2 number, since 2×49558051690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49558051691) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31625287 + ... + 31626853.

It is an arithmetic number, because the mean of its divisors is an integer number (589881600).

Almost surely, 2^49558051690 is an apocalyptic number.

49558051690 is an abundant number, since it is smaller than the sum of its proper divisors (63699215510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49558051690 is a wasteful number, since it uses less digits than its factorization.

49558051690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729 (or 1722 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 52.

The spelling of 49558051690 in words is "forty-nine billion, five hundred fifty-eight million, fifty-one thousand, six hundred ninety".