55456408 has 16 divisors (see below), whose sum is σ = 118835280. Its totient is φ = 23767008.

The previous prime is 55456399. The next prime is 55456441. The reversal of 55456408 is 80465455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495091 + ... + 495202.

It is an arithmetic number, because the mean of its divisors is an integer number (7427205).

Almost surely, 2^55456408 is an apocalyptic number.

It is an amenable number.

55456408 is an abundant number, since it is smaller than the sum of its proper divisors (63378872).

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

55456408 is a wasteful number, since it uses less digits than its factorization.

55456408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990306 (or 990302 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 55456408 is about 7446.9059346819. The cubic root of 55456408 is about 381.3442877787.

The spelling of 55456408 in words is "fifty-five million, four hundred fifty-six thousand, four hundred eight".