55800400210 has 64 divisors (see below), whose sum is σ = 105539272704. Its totient is φ = 21216384000.

The previous prime is 55800400181. The next prime is 55800400213. The reversal of 55800400210 is 1200400855.

It is a super-2 number, since 2×55800400210² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55800400213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3969354 + ... + 3983386.

It is an arithmetic number, because the mean of its divisors is an integer number (1649051136).

Almost surely, 2^55800400210 is an apocalyptic number.

55800400210 is a deficient number, since it is larger than the sum of its proper divisors (49738872494).

55800400210 is a wasteful number, since it uses less digits than its factorization.

55800400210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14299.

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 55800400210 in words is "fifty-five billion, eight hundred million, four hundred thousand, two hundred ten".