55169994530 has 64 divisors (see below), whose sum is σ = 114416934912. Its totient is φ = 18761602560.

The previous prime is 55169994457. The next prime is 55169994557. The reversal of 55169994530 is 3549996155.

It is a super-5 number, since 5×55169994530⁵ (a number of 55 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20530847 + ... + 20533533.

It is an arithmetic number, because the mean of its divisors is an integer number (1787764608).

Almost surely, 2^55169994530 is an apocalyptic number.

55169994530 is an abundant number, since it is smaller than the sum of its proper divisors (59246940382).

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

55169994530 is a wasteful number, since it uses less digits than its factorization.

55169994530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979.

The product of its (nonzero) digits is 6561000, while the sum is 56.

The spelling of 55169994530 in words is "fifty-five billion, one hundred sixty-nine million, nine hundred ninety-four thousand, five hundred thirty".