55880460 has 36 divisors (see below), whose sum is σ = 169504608. Its totient is φ = 14901408.

The previous prime is 55880459. The next prime is 55880543. The reversal of 55880460 is 6408855.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155044 + ... + 155403.

Almost surely, 2^55880460 is an apocalyptic number.

It is an amenable number.

55880460 is an abundant number, since it is smaller than the sum of its proper divisors (113624148).

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

55880460 is a wasteful number, since it uses less digits than its factorization.

55880460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310462 (or 310457 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 55880460 is about 7475.3234043752. The cubic root of 55880460 is about 382.3138142953.

It can be divided in two parts, 558 and 80460, that added together give a palindrome (81018).

The spelling of 55880460 in words is "fifty-five million, eight hundred eighty thousand, four hundred sixty".