49558996542 has 32 divisors (see below), whose sum is σ = 108161262720. Its totient is φ = 15013357920.

The previous prime is 49558996519. The next prime is 49558996549. The reversal of 49558996542 is 24569985594.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49558996549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111309 + ... + 333927.

It is an arithmetic number, because the mean of its divisors is an integer number (3380039460).

Almost surely, 2^49558996542 is an apocalyptic number.

It is a pronic number, being equal to 222618×222619.

49558996542 is an abundant number, since it is smaller than the sum of its proper divisors (58602266178).

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

49558996542 is a wasteful number, since it uses less digits than its factorization.

49558996542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226008.

The product of its digits is 139968000, while the sum is 66.

The spelling of 49558996542 in words is "forty-nine billion, five hundred fifty-eight million, nine hundred ninety-six thousand, five hundred forty-two".