56772555527765 has 32 divisors (see below), whose sum is σ = 84978814611456. Its totient is φ = 35373528509760.

The previous prime is 56772555527759. The next prime is 56772555527801.

56772555527765 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56772555527765 - 2⁴ = 56772555527749 is a prime.

It is a super-2 number, since 2×56772555527765² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56772555527692 and 56772555527701.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 34945247 + ... + 36533756.

It is an arithmetic number, because the mean of its divisors is an integer number (2655587956608).

Almost surely, 2^{56772555527765} is an apocalyptic number.

56772555527765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56772555527765 is a deficient number, since it is larger than the sum of its proper divisors (28206259083691).

56772555527765 is a wasteful number, since it uses less digits than its factorization.

56772555527765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71481089.

The product of its digits is 5402250000, while the sum is 74.

The spelling of 56772555527765 in words is "fifty-six trillion, seven hundred seventy-two billion, five hundred fifty-five million, five hundred twenty-seven thousand, seven hundred sixty-five".