55325564 has 24 divisors (see below), whose sum is σ = 113352288. Its totient is φ = 23132160.

The previous prime is 55325561. The next prime is 55325579. The reversal of 55325564 is 46552355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55325561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22949 + ... + 25244.

It is an arithmetic number, because the mean of its divisors is an integer number (4723012).

Almost surely, 2^55325564 is an apocalyptic number.

It is an amenable number.

55325564 is an abundant number, since it is smaller than the sum of its proper divisors (58026724).

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

55325564 is a wasteful number, since it uses less digits than its factorization.

55325564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48245 (or 48243 counting only the distinct ones).

The product of its digits is 90000, while the sum is 35.

The square root of 55325564 is about 7438.1156215805. The cubic root of 55325564 is about 381.0441366788.

The spelling of 55325564 in words is "fifty-five million, three hundred twenty-five thousand, five hundred sixty-four".