55676020 has 24 divisors (see below), whose sum is σ = 123798024. Its totient is φ = 20960256.

The previous prime is 55676017. The next prime is 55676051. The reversal of 55676020 is 2067655.

It can be written as a sum of positive squares in 4 ways, for example, as 3055504 + 52620516 = 1748^2 + 7254^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81537 + ... + 82216.

It is an arithmetic number, because the mean of its divisors is an integer number (5158251).

Almost surely, 2^55676020 is an apocalyptic number.

It is an amenable number.

55676020 is an abundant number, since it is smaller than the sum of its proper divisors (68122004).

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

55676020 is a wasteful number, since it uses less digits than its factorization.

55676020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163779 (or 163777 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55676020 is about 7461.6365497121. The cubic root of 55676020 is about 381.8470098140.

The spelling of 55676020 in words is "fifty-five million, six hundred seventy-six thousand, twenty".