55499506 has 12 divisors (see below), whose sum is σ = 87027822. Its totient is φ = 26542736.

The previous prime is 55499501. The next prime is 55499531. The reversal of 55499506 is 60599455.

It can be written as a sum of positive squares in only one way, i.e., 28718881 + 26780625 = 5359^2 + 5175^2 .

It is not an unprimeable number, because it can be changed into a prime (55499501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25171 + ... + 27286.

Almost surely, 2^55499506 is an apocalyptic number.

55499506 is a deficient number, since it is larger than the sum of its proper divisors (31528316).

55499506 is a wasteful number, since it uses less digits than its factorization.

55499506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52505 (or 52482 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 43.

The square root of 55499506 is about 7449.7990576928. The cubic root of 55499506 is about 381.4430495570.

The spelling of 55499506 in words is "fifty-five million, four hundred ninety-nine thousand, five hundred six".