55477408 has 36 divisors (see below), whose sum is σ = 127056762. Its totient is φ = 23775360.

The previous prime is 55477399. The next prime is 55477421. The reversal of 55477408 is 80477455.

It can be written as a sum of positive squares in only one way, i.e., 37601424 + 17875984 = 6132^2 + 4228^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16123 + ... + 19258.

Almost surely, 2^55477408 is an apocalyptic number.

It is an amenable number.

55477408 is an abundant number, since it is smaller than the sum of its proper divisors (71579354).

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

55477408 is a wasteful number, since it uses less digits than its factorization.

55477408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35405 (or 35390 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 55477408 is about 7448.3157827794. The cubic root of 55477408 is about 381.3924169893.

The spelling of 55477408 in words is "fifty-five million, four hundred seventy-seven thousand, four hundred eight".