55760556 has 24 divisors (see below), whose sum is σ = 135765504. Its totient is φ = 17778640.

The previous prime is 55760521. The next prime is 55760569. The reversal of 55760556 is 65506755.

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, 100740 + ... + 101291.

It is an arithmetic number, because the mean of its divisors is an integer number (5656896).

Almost surely, 2^55760556 is an apocalyptic number.

It is an amenable number.

55760556 is an abundant number, since it is smaller than the sum of its proper divisors (80004948).

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

55760556 is a wasteful number, since it uses less digits than its factorization.

55760556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202061 (or 202059 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 39.

The square root of 55760556 is about 7467.2991101201. The cubic root of 55760556 is about 382.0401719400.

The spelling of 55760556 in words is "fifty-five million, seven hundred sixty thousand, five hundred fifty-six".