55370508 has 12 divisors (see below), whose sum is σ = 129197880. Its totient is φ = 18456832.

The previous prime is 55370507. The next prime is 55370543. The reversal of 55370508 is 80507355.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55370507) 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, 2307093 + ... + 2307116.

It is an arithmetic number, because the mean of its divisors is an integer number (10766490).

Almost surely, 2^55370508 is an apocalyptic number.

It is an amenable number.

55370508 is an abundant number, since it is smaller than the sum of its proper divisors (73827372).

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

55370508 is a wasteful number, since it uses less digits than its factorization.

55370508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614216 (or 4614214 counting only the distinct ones).

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

The square root of 55370508 is about 7441.1362035646. The cubic root of 55370508 is about 381.1472897914.

The spelling of 55370508 in words is "fifty-five million, three hundred seventy thousand, five hundred eight".