56464155 has 64 divisors (see below), whose sum is σ = 111974400. Its totient is φ = 26760960.

The previous prime is 56464147. The next prime is 56464159. The reversal of 56464155 is 55146465.

56464155 is a `hidden beast` number, since 5 + 6 + 4 + 641 + 5 + 5 = 666.

It is not a de Polignac number, because 56464155 - 2³ = 56464147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56464159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69391 + ... + 70199.

It is an arithmetic number, because the mean of its divisors is an integer number (1749600).

Almost surely, 2^56464155 is an apocalyptic number.

56464155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56464155 is a deficient number, since it is larger than the sum of its proper divisors (55510245).

56464155 is a wasteful number, since it uses less digits than its factorization.

56464155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 875 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 56464155 is about 7514.2634369577. The cubic root of 56464155 is about 383.6403492949.

It can be divided in two parts, 5646 and 4155, that added together give a square (9801 = 99²).

The spelling of 56464155 in words is "fifty-six million, four hundred sixty-four thousand, one hundred fifty-five".