553149549876 has 576 divisors, whose sum is σ = 1776852080640. Its totient is φ = 131991552000.

The previous prime is 553149549833. The next prime is 553149549893. The reversal of 553149549876 is 678945941355.

It is a Harshad number since it is a multiple of its sum of digits (66).

Its product of digits (163296000) is a multiple of the sum of its prime factors (756).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1566995716 + ... + 1566996068.

It is an arithmetic number, because the mean of its divisors is an integer number (3084812640).

Almost surely, 2^553149549876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553149549876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888426040320).

553149549876 is an abundant number, since it is smaller than the sum of its proper divisors (1223702530764).

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

553149549876 is a wasteful number, since it uses less digits than its factorization.

553149549876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 747 counting only the distinct ones).

The product of its digits is 163296000, while the sum is 66.

The spelling of 553149549876 in words is "five hundred fifty-three billion, one hundred forty-nine million, five hundred forty-nine thousand, eight hundred seventy-six".