56210055 has 32 divisors (see below), whose sum is σ = 98461440. Its totient is φ = 27156480.

The previous prime is 56210053. The next prime is 56210069. The reversal of 56210055 is 55001265.

It is not a de Polignac number, because 56210055 - 2¹ = 56210053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56210053) 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, 72711 + ... + 73479.

It is an arithmetic number, because the mean of its divisors is an integer number (3076920).

Almost surely, 2^56210055 is an apocalyptic number.

56210055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56210055 is a deficient number, since it is larger than the sum of its proper divisors (42251385).

56210055 is a wasteful number, since it uses less digits than its factorization.

56210055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 56210055 is about 7497.3365270608. The cubic root of 56210055 is about 383.0639977407.

The spelling of 56210055 in words is "fifty-six million, two hundred ten thousand, fifty-five".