56161053 has 48 divisors (see below), whose sum is σ = 93213120. Its totient is φ = 33203520.

The previous prime is 56161043. The next prime is 56161069. The reversal of 56161053 is 35016165.

It is a happy number.

It is not a de Polignac number, because 56161053 - 2⁹ = 56160541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56161033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 920643 + ... + 920703.

It is an arithmetic number, because the mean of its divisors is an integer number (1941940).

Almost surely, 2^56161053 is an apocalyptic number.

It is an amenable number.

56161053 is a deficient number, since it is larger than the sum of its proper divisors (37052067).

56161053 is a wasteful number, since it uses less digits than its factorization.

56161053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 56161053 is about 7494.0678539762. The cubic root of 56161053 is about 382.9526513557.

The spelling of 56161053 in words is "fifty-six million, one hundred sixty-one thousand, fifty-three".