55370502 has 24 divisors (see below), whose sum is σ = 130876200. Its totient is φ = 16778880.

The previous prime is 55370489. The next prime is 55370507. The reversal of 55370502 is 20507355.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 139627 + ... + 140022.

It is an arithmetic number, because the mean of its divisors is an integer number (5453175).

Almost surely, 2^55370502 is an apocalyptic number.

55370502 is an abundant number, since it is smaller than the sum of its proper divisors (75505698).

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

55370502 is a wasteful number, since it uses less digits than its factorization.

55370502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279668 (or 279665 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 55370502 is about 7441.1358004004. The cubic root of 55370502 is about 381.1472760243.

Adding to 55370502 its reverse (20507355), we get a palindrome (75877857).

The spelling of 55370502 in words is "fifty-five million, three hundred seventy thousand, five hundred two".