55541564 has 12 divisors (see below), whose sum is σ = 104674584. Its totient is φ = 25634544.

The previous prime is 55541561. The next prime is 55541599. The reversal of 55541564 is 46514555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55541561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534002 + ... + 534105.

It is an arithmetic number, because the mean of its divisors is an integer number (8722882).

Almost surely, 2^55541564 is an apocalyptic number.

It is an amenable number.

55541564 is a deficient number, since it is larger than the sum of its proper divisors (49133020).

55541564 is a wasteful number, since it uses less digits than its factorization.

55541564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068124 (or 1068122 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 55541564 is about 7452.6212838169. The cubic root of 55541564 is about 381.5393788291.

The spelling of 55541564 in words is "fifty-five million, five hundred forty-one thousand, five hundred sixty-four".