55632788 has 12 divisors (see below), whose sum is σ = 100714740. Its totient is φ = 26857152.

The previous prime is 55632781. The next prime is 55632803. The reversal of 55632788 is 88723655.

It can be written as a sum of positive squares in 2 ways, for example, as 46403344 + 9229444 = 6812^2 + 3038^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55632781) 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, 239681 + ... + 239912.

It is an arithmetic number, because the mean of its divisors is an integer number (8392895).

Almost surely, 2^55632788 is an apocalyptic number.

55632788 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

55632788 is a deficient number, since it is larger than the sum of its proper divisors (45081952).

55632788 is a wasteful number, since it uses less digits than its factorization.

55632788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479626 (or 479624 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 55632788 is about 7458.7390355207. The cubic root of 55632788 is about 381.7481504694.

The spelling of 55632788 in words is "fifty-five million, six hundred thirty-two thousand, seven hundred eighty-eight".