55469012 has 12 divisors (see below), whose sum is σ = 97247136. Its totient is φ = 27684120.

The previous prime is 55469009. The next prime is 55469017. The reversal of 55469012 is 21096455.

It is a happy number.

It is a super-2 number, since 2×55469012² = 6153622584512288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55469012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55469017) 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, 10064 + ... + 14567.

It is an arithmetic number, because the mean of its divisors is an integer number (8103928).

Almost surely, 2^55469012 is an apocalyptic number.

It is an amenable number.

55469012 is a deficient number, since it is larger than the sum of its proper divisors (41778124).

55469012 is a wasteful number, since it uses less digits than its factorization.

55469012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25198 (or 25196 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 55469012 is about 7447.7521441036. The cubic root of 55469012 is about 381.3731759300.

The spelling of 55469012 in words is "fifty-five million, four hundred sixty-nine thousand, twelve".