56505157155058 has 64 divisors (see below), whose sum is σ = 88335678816000. Its totient is φ = 27075248766720.

The previous prime is 56505157155043. The next prime is 56505157155077. The reversal of 56505157155058 is 85055175150565.

It is a happy number.

56505157155058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 56505157154993 and 56505157155011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9109324185 + ... + 9109330387.

It is an arithmetic number, because the mean of its divisors is an integer number (1380244981500).

Almost surely, 2^{56505157155058} is an apocalyptic number.

56505157155058 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

56505157155058 is a deficient number, since it is larger than the sum of its proper divisors (31830521660942).

56505157155058 is a wasteful number, since it uses less digits than its factorization.

56505157155058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227.

The product of its (nonzero) digits is 26250000, while the sum is 58.

The spelling of 56505157155058 in words is "fifty-six trillion, five hundred five billion, one hundred fifty-seven million, one hundred fifty-five thousand, fifty-eight".