56553499338 has 32 divisors (see below), whose sum is σ = 129272855040. Its totient is φ = 16157178480.

The previous prime is 56553499319. The next prime is 56553499351. The reversal of 56553499338 is 83399435565.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972133 + ... + 1028663.

It is an arithmetic number, because the mean of its divisors is an integer number (4039776720).

Almost surely, 2^56553499338 is an apocalyptic number.

56553499338 is an abundant number, since it is smaller than the sum of its proper divisors (72719355702).

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

56553499338 is a wasteful number, since it uses less digits than its factorization.

56553499338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80362.

The product of its digits is 52488000, while the sum is 60.

The spelling of 56553499338 in words is "fifty-six billion, five hundred fifty-three million, four hundred ninety-nine thousand, three hundred thirty-eight".