56555544 has 32 divisors (see below), whose sum is σ = 141585840. Its totient is φ = 18825600.

The previous prime is 56555507. The next prime is 56555561. The reversal of 56555544 is 44555565.

It is a happy number.

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, 24354 + ... + 26574.

Almost surely, 2^56555544 is an apocalyptic number.

It is an amenable number.

56555544 is an abundant number, since it is smaller than the sum of its proper divisors (85030296).

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

56555544 is a wasteful number, since it uses less digits than its factorization.

56555544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291 (or 3287 counting only the distinct ones).

The product of its digits is 300000, while the sum is 39.

The square root of 56555544 is about 7520.3420134991. The cubic root of 56555544 is about 383.8472156946.

The spelling of 56555544 in words is "fifty-six million, five hundred fifty-five thousand, five hundred forty-four".