55520060 has 12 divisors (see below), whose sum is σ = 116592168. Its totient is φ = 22208016.

The previous prime is 55520051. The next prime is 55520099. The reversal of 55520060 is 6002555.

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, 1387982 + ... + 1388021.

It is an arithmetic number, because the mean of its divisors is an integer number (9716014).

Almost surely, 2^55520060 is an apocalyptic number.

It is an amenable number.

55520060 is an abundant number, since it is smaller than the sum of its proper divisors (61072108).

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

55520060 is a wasteful number, since it uses less digits than its factorization.

55520060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776012 (or 2776010 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 55520060 is about 7451.1784302887. The cubic root of 55520060 is about 381.4901323351.

The spelling of 55520060 in words is "fifty-five million, five hundred twenty thousand, sixty".