49547553990 has 64 divisors (see below), whose sum is σ = 129797240832. Its totient is φ = 12004793600.

The previous prime is 49547553989. The next prime is 49547554003. The reversal of 49547553990 is 9935574594.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560410 + ... + 642770.

It is an arithmetic number, because the mean of its divisors is an integer number (2028081888).

Almost surely, 2^49547553990 is an apocalyptic number.

49547553990 is an abundant number, since it is smaller than the sum of its proper divisors (80249686842).

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

49547553990 is a wasteful number, since it uses less digits than its factorization.

49547553990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84205.

The product of its (nonzero) digits is 30618000, while the sum is 60.

The spelling of 49547553990 in words is "forty-nine billion, five hundred forty-seven million, five hundred fifty-three thousand, nine hundred ninety".