55527588 has 18 divisors (see below), whose sum is σ = 140361494. Its totient is φ = 18509184.

The previous prime is 55527583. The next prime is 55527613. The reversal of 55527588 is 88572555.

It can be written as a sum of positive squares in only one way, i.e., 39463524 + 16064064 = 6282^2 + 4008^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (55527583) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 771181 + ... + 771252.

Almost surely, 2^55527588 is an apocalyptic number.

It is an amenable number.

55527588 is an abundant number, since it is smaller than the sum of its proper divisors (84833906).

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

55527588 is a wasteful number, since it uses less digits than its factorization.

55527588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542443 (or 1542438 counting only the distinct ones).

The product of its digits is 560000, while the sum is 45.

The square root of 55527588 is about 7451.6835681610. The cubic root of 55527588 is about 381.5073737186.

The spelling of 55527588 in words is "fifty-five million, five hundred twenty-seven thousand, five hundred eighty-eight".