55164012 has 24 divisors (see below), whose sum is σ = 131710656. Its totient is φ = 17960208.

The previous prime is 55164007. The next prime is 55164017. The reversal of 55164012 is 21046155.

It is an interprime number because it is at equal distance from previous prime (55164007) and next prime (55164017).

It is a super-2 number, since 2×55164012² = 6086136439872288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55164017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52938 + ... + 53969.

It is an arithmetic number, because the mean of its divisors is an integer number (5487944).

Almost surely, 2^55164012 is an apocalyptic number.

It is an amenable number.

55164012 is an abundant number, since it is smaller than the sum of its proper divisors (76546644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55164012 is a wasteful number, since it uses less digits than its factorization.

55164012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106957 (or 106955 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 55164012 is about 7427.2479425424. The cubic root of 55164012 is about 380.6728890271.

The spelling of 55164012 in words is "fifty-five million, one hundred sixty-four thousand, twelve".