53555551210 has 32 divisors (see below), whose sum is σ = 113149031040. Its totient is φ = 17865634752.

The previous prime is 53555551207. The next prime is 53555551223. The reversal of 53555551210 is 1215555535.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 53555551210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10336320 + ... + 10341499.

It is an arithmetic number, because the mean of its divisors is an integer number (3535907220).

Almost surely, 2^53555551210 is an apocalyptic number.

53555551210 is an abundant number, since it is smaller than the sum of its proper divisors (59593479830).

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

53555551210 is a wasteful number, since it uses less digits than its factorization.

53555551210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20677870.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 53555551210 in words is "fifty-three billion, five hundred fifty-five million, five hundred fifty-one thousand, two hundred ten".