55969153 has 4 divisors (see below), whose sum is σ = 56160468. Its totient is φ = 55777840.

The previous prime is 55969139. The next prime is 55969171. The reversal of 55969153 is 35196955.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37847104 + 18122049 = 6152^2 + 4257^2 .

It is a cyclic number.

It is not a de Polignac number, because 55969153 - 2²¹ = 53872001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55969553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95218 + ... + 95803.

It is an arithmetic number, because the mean of its divisors is an integer number (14040117).

Almost surely, 2^55969153 is an apocalyptic number.

It is an amenable number.

55969153 is a deficient number, since it is larger than the sum of its proper divisors (191315).

55969153 is a wasteful number, since it uses less digits than its factorization.

55969153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191314.

The product of its digits is 182250, while the sum is 43.

The square root of 55969153 is about 7481.2534377603. The cubic root of 55969153 is about 382.5159758090.

The spelling of 55969153 in words is "fifty-five million, nine hundred sixty-nine thousand, one hundred fifty-three".