55351323030564 has 144 divisors (see below), whose sum is σ = 158462412466176. Its totient is φ = 16754713466400.

The previous prime is 55351323030547. The next prime is 55351323030589. The reversal of 55351323030564 is 46503032315355.

It is a happy number.

55351323030564 is a `hidden beast` number, since 5 + 5 + 3 + 51 + 3 + 2 + 3 + 0 + 30 + 564 = 666.

It is a super-2 number, since 2×55351323030564² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6899089 + ... + 12581735.

It is an arithmetic number, because the mean of its divisors is an integer number (1100433419904).

Almost surely, 2^{55351323030564} is an apocalyptic number.

55351323030564 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55351323030564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79231206233088).

55351323030564 is an abundant number, since it is smaller than the sum of its proper divisors (103111089435612).

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

55351323030564 is a wasteful number, since it uses less digits than its factorization.

55351323030564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683588 (or 5683574 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 45.

The spelling of 55351323030564 in words is "fifty-five trillion, three hundred fifty-one billion, three hundred twenty-three million, thirty thousand, five hundred sixty-four".