55164602 has 4 divisors (see below), whose sum is σ = 82746906. Its totient is φ = 27582300.

The previous prime is 55164601. The next prime is 55164607. The reversal of 55164602 is 20646155.

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

It can be written as a sum of positive squares in only one way, i.e., 49970761 + 5193841 = 7069^2 + 2279^2 .

It is not an unprimeable number, because it can be changed into a prime (55164601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13791149 + ... + 13791152.

Almost surely, 2^55164602 is an apocalyptic number.

55164602 is a deficient number, since it is larger than the sum of its proper divisors (27582304).

55164602 is a wasteful number, since it uses less digits than its factorization.

55164602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27582303.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 55164602 is about 7427.2876610510. The cubic root of 55164602 is about 380.6742461692.

The spelling of 55164602 in words is "fifty-five million, one hundred sixty-four thousand, six hundred two".