55537008 has 40 divisors (see below), whose sum is σ = 143740800. Its totient is φ = 18477504.

The previous prime is 55537007. The next prime is 55537049. The reversal of 55537008 is 80073555.

It is a self number, because there is not a number n which added to its sum of digits gives 55537008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55537007) 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, 43483 + ... + 44741.

It is an arithmetic number, because the mean of its divisors is an integer number (3593520).

Almost surely, 2^55537008 is an apocalyptic number.

It is an amenable number.

55537008 is an abundant number, since it is smaller than the sum of its proper divisors (88203792).

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

55537008 is a wasteful number, since it uses less digits than its factorization.

55537008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 55537008 is about 7452.3156132842. The cubic root of 55537008 is about 381.5289461560.

It can be divided in two parts, 5553 and 7008, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 55537008 in words is "fifty-five million, five hundred thirty-seven thousand, eight".