55579636 has 24 divisors (see below), whose sum is σ = 117010880. Its totient is φ = 22565952.

The previous prime is 55579609. The next prime is 55579639. The reversal of 55579636 is 63697555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55579639) 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, 51705 + ... + 52768.

Almost surely, 2^55579636 is an apocalyptic number.

It is an amenable number.

55579636 is an abundant number, since it is smaller than the sum of its proper divisors (61431244).

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

55579636 is a wasteful number, since it uses less digits than its factorization.

55579636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104503 (or 104501 counting only the distinct ones).

The product of its digits is 850500, while the sum is 46.

The square root of 55579636 is about 7455.1751153142. The cubic root of 55579636 is about 381.6265366764.

The spelling of 55579636 in words is "fifty-five million, five hundred seventy-nine thousand, six hundred thirty-six".