56777117952 has 36 divisors (see below), whose sum is σ = 151109935760. Its totient is φ = 18925705728.

The previous prime is 56777117911. The next prime is 56777117963. The reversal of 56777117952 is 25971177765.

It is a super-4 number, since 4×56777117952⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 56777117892 and 56777117901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36963502 + ... + 36965037.

Almost surely, 2^56777117952 is an apocalyptic number.

It is an amenable number.

56777117952 is an abundant number, since it is smaller than the sum of its proper divisors (94332817808).

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

56777117952 is an equidigital number, since it uses as much as digits as its factorization.

56777117952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73928558 (or 73928544 counting only the distinct ones).

The product of its digits is 6482700, while the sum is 57.

The spelling of 56777117952 in words is "fifty-six billion, seven hundred seventy-seven million, one hundred seventeen thousand, nine hundred fifty-two".