55970563 has 16 divisors (see below), whose sum is σ = 62865792. Its totient is φ = 49392000.

The previous prime is 55970557. The next prime is 55970567. The reversal of 55970563 is 36507955.

It is a cyclic number.

It is not a de Polignac number, because 55970563 - 2⁹ = 55970051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55970567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113748 + ... + 114238.

It is an arithmetic number, because the mean of its divisors is an integer number (3929112).

Almost surely, 2^55970563 is an apocalyptic number.

55970563 is a deficient number, since it is larger than the sum of its proper divisors (6895229).

55970563 is a wasteful number, since it uses less digits than its factorization.

55970563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786.

The product of its (nonzero) digits is 141750, while the sum is 40.

The square root of 55970563 is about 7481.3476727125. The cubic root of 55970563 is about 382.5191879534.

The spelling of 55970563 in words is "fifty-five million, nine hundred seventy thousand, five hundred sixty-three".