56355894388770 has 32 divisors (see below), whose sum is σ = 135296666141760. Its totient is φ = 15023514102720.

The previous prime is 56355894388727. The next prime is 56355894388771. The reversal of 56355894388770 is 7788349855365.

It is a super-2 number, since 2×56355894388770² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56355894388771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295178040 + ... + 295368899.

It is an arithmetic number, because the mean of its divisors is an integer number (4228020816930).

Almost surely, 2^{56355894388770} is an apocalyptic number.

56355894388770 is an abundant number, since it is smaller than the sum of its proper divisors (78940771752990).

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

56355894388770 is a wasteful number, since it uses less digits than its factorization.

56355894388770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590550130.

The product of its (nonzero) digits is 6096384000, while the sum is 78.

The spelling of 56355894388770 in words is "fifty-six trillion, three hundred fifty-five billion, eight hundred ninety-four million, three hundred eighty-eight thousand, seven hundred seventy".