55327288 has 8 divisors (see below), whose sum is σ = 103738680. Its totient is φ = 27663640.

The previous prime is 55327249. The next prime is 55327301. The reversal of 55327288 is 88272355.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×55327288² = 6122217594869888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55327288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3457948 + ... + 3457963.

It is an arithmetic number, because the mean of its divisors is an integer number (12967335).

Almost surely, 2^55327288 is an apocalyptic number.

It is an amenable number.

55327288 is a deficient number, since it is larger than the sum of its proper divisors (48411392).

55327288 is a wasteful number, since it uses less digits than its factorization.

55327288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915917 (or 6915913 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 55327288 is about 7438.2315102449. The cubic root of 55327288 is about 381.0480945434.

The spelling of 55327288 in words is "fifty-five million, three hundred twenty-seven thousand, two hundred eighty-eight".