56837557434 has 32 divisors (see below), whose sum is σ = 130862710656.
Its totient is φ = 16120765440.
The previous prime is 56837557411. The next prime is 56837557453. The reversal of 56837557434 is 43475573865.
It is a Curzon number.
It is an unprimeable number.
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, 4933207 + ... + 4944714.
It is an arithmetic number, because the mean of its divisors is an integer number (4089459708).
Almost surely, 256837557434 is an apocalyptic number.
56837557434 is an abundant number, since it is smaller than the sum of its proper divisors (74025153222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56837557434 is a wasteful number, since it uses less digits than its factorization.
56837557434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9878070.
The product of its digits is 42336000, while the sum is 57.
The spelling of 56837557434 in words is "fifty-six billion, eight hundred thirty-seven million, five hundred fifty-seven thousand, four hundred thirty-four".