56206602155 has 32 divisors (see below), whose sum is σ = 80594274240. Its totient is φ = 37146296320.

The previous prime is 56206602149. The next prime is 56206602157. The reversal of 56206602155 is 55120660265.

It is a happy number.

It is not a de Polignac number, because 56206602155 - 2²² = 56202407851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56206602157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1009334 + ... + 1063563.

It is an arithmetic number, because the mean of its divisors is an integer number (2518571070).

Almost surely, 2^56206602155 is an apocalyptic number.

56206602155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56206602155 is a deficient number, since it is larger than the sum of its proper divisors (24387672085).

56206602155 is a wasteful number, since it uses less digits than its factorization.

56206602155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072959.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 56206602155 in words is "fifty-six billion, two hundred six million, six hundred two thousand, one hundred fifty-five".