55476090 has 40 divisors (see below), whose sum is σ = 149171220. Its totient is φ = 14793408.

The previous prime is 55476089. The next prime is 55476137. The reversal of 55476090 is 9067455.

55476090 is a `hidden beast` number, since 5 + 5 + 47 + 609 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55398249 + 77841 = 7443^2 + 279^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33435 + ... + 35054.

Almost surely, 2^55476090 is an apocalyptic number.

55476090 is an abundant number, since it is smaller than the sum of its proper divisors (93695130).

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

55476090 is a wasteful number, since it uses less digits than its factorization.

55476090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68508 (or 68499 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 55476090 is about 7448.2273058762. The cubic root of 55476090 is about 381.3893966656.

The spelling of 55476090 in words is "fifty-five million, four hundred seventy-six thousand, ninety".