55550460 has 48 divisors (see below), whose sum is σ = 177762816. Its totient is φ = 12697152.

The previous prime is 55550459. The next prime is 55550479. The reversal of 55550460 is 6405555.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65712 + ... + 66551.

It is an arithmetic number, because the mean of its divisors is an integer number (3703392).

Almost surely, 2^55550460 is an apocalyptic number.

It is an amenable number.

55550460 is an abundant number, since it is smaller than the sum of its proper divisors (122212356).

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

55550460 is a wasteful number, since it uses less digits than its factorization.

55550460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132282 (or 132280 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 55550460 is about 7453.2180969028. The cubic root of 55550460 is about 381.5597479177.

It can be divided in two parts, 555 and 50460, that added together give a palindrome (51015).

The spelling of 55550460 in words is "fifty-five million, five hundred fifty thousand, four hundred sixty".