55547564 has 12 divisors (see below), whose sum is σ = 102324600. Its totient is φ = 26311968.

The previous prime is 55547563. The next prime is 55547573. The reversal of 55547564 is 46574555.

It is not an unprimeable number, because it can be changed into a prime (55547563) 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, 365369 + ... + 365520.

It is an arithmetic number, because the mean of its divisors is an integer number (8527050).

Almost surely, 2^55547564 is an apocalyptic number.

It is an amenable number.

55547564 is a deficient number, since it is larger than the sum of its proper divisors (46777036).

55547564 is a wasteful number, since it uses less digits than its factorization.

55547564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730912 (or 730910 counting only the distinct ones).

The product of its digits is 420000, while the sum is 41.

The square root of 55547564 is about 7453.0238158750. The cubic root of 55547564 is about 381.5531172122.

The spelling of 55547564 in words is "fifty-five million, five hundred forty-seven thousand, five hundred sixty-four".