55510506 has 24 divisors (see below), whose sum is σ = 123071520. Its totient is φ = 18072936.

The previous prime is 55510501. The next prime is 55510529. The reversal of 55510506 is 60501555.

55510506 is a `hidden beast` number, since 555 + 105 + 0 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 55510506.

It is not an unprimeable number, because it can be changed into a prime (55510501) 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, 35086 + ... + 36633.

It is an arithmetic number, because the mean of its divisors is an integer number (5127980).

Almost surely, 2^55510506 is an apocalyptic number.

55510506 is an abundant number, since it is smaller than the sum of its proper divisors (67561014).

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

55510506 is a wasteful number, since it uses less digits than its factorization.

55510506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71770 (or 71767 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 55510506 is about 7450.5372960613. The cubic root of 55510506 is about 381.4682485583.

The spelling of 55510506 in words is "fifty-five million, five hundred ten thousand, five hundred six".