551315440145052 has 54 divisors (see below), whose sum is σ = 1531811472022104. Its totient is φ = 167065284891120.

The previous prime is 551315440145021. The next prime is 551315440145153. The reversal of 551315440145052 is 250541044513155.

551315440145052 is a `hidden beast` number, since 5 + 5 + 1 + 3 + 1 + 544 + 0 + 1 + 4 + 50 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 551315440144989 and 551315440145007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 63282300528 + ... + 63282309239.

Almost surely, 2^{551315440145052} is an apocalyptic number.

It is an amenable number.

551315440145052 is an abundant number, since it is smaller than the sum of its proper divisors (980496031877052).

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

551315440145052 is a wasteful number, since it uses less digits than its factorization.

551315440145052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126564609799 (or 126564609783 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 45.

The spelling of 551315440145052 in words is "five hundred fifty-one trillion, three hundred fifteen billion, four hundred forty million, one hundred forty-five thousand, fifty-two".