55080490 has 16 divisors (see below), whose sum is σ = 102343680. Its totient is φ = 21321360.

The previous prime is 55080481. The next prime is 55080503. The reversal of 55080490 is 9408055.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88530 + ... + 89149.

It is an arithmetic number, because the mean of its divisors is an integer number (6396480).

Almost surely, 2^55080490 is an apocalyptic number.

55080490 is a deficient number, since it is larger than the sum of its proper divisors (47263190).

55080490 is a wasteful number, since it uses less digits than its factorization.

55080490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177717.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 55080490 is about 7421.6231378318. The cubic root of 55080490 is about 380.4806705876.

The spelling of 55080490 in words is "fifty-five million, eighty thousand, four hundred ninety".