551720578152 has 64 divisors (see below), whose sum is σ = 1523934103680. Its totient is φ = 165563205632.

The previous prime is 551720578151. The next prime is 551720578159. The reversal of 551720578152 is 251875027155.

It is not an unprimeable number, because it can be changed into a prime (551720578151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29387493 + ... + 29406260.

It is an arithmetic number, because the mean of its divisors is an integer number (23811470370).

Almost surely, 2^551720578152 is an apocalyptic number.

It is an amenable number.

551720578152 is an abundant number, since it is smaller than the sum of its proper divisors (972213525528).

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

551720578152 is a wasteful number, since it uses less digits than its factorization.

551720578152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58793802 (or 58793798 counting only the distinct ones).

The product of its (nonzero) digits is 980000, while the sum is 48.

The spelling of 551720578152 in words is "five hundred fifty-one billion, seven hundred twenty million, five hundred seventy-eight thousand, one hundred fifty-two".