552264766578 has 270 divisors, whose sum is σ = 1522740509631. Its totient is φ = 149144686992.

The previous prime is 552264766567. The next prime is 552264766609. The reversal of 552264766578 is 875667462255.

552264766578 is a `hidden beast` number, since 5 + 52 + 2 + 6 + 4 + 7 + 6 + 6 + 578 = 666.

It can be written as a sum of positive squares in only one way, i.e., 276132383289 + 276132383289 = 525483^2 + 525483^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=525483.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1258006083 + ... + 1258006521.

Almost surely, 2^552264766578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552264766578

552264766578 is an abundant number, since it is smaller than the sum of its proper divisors (970475743053).

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

552264766578 is an equidigital number, since it uses as much as digits as its factorization.

552264766578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 470 counting only the distinct ones).

The product of its digits is 169344000, while the sum is 63.

The spelling of 552264766578 in words is "five hundred fifty-two billion, two hundred sixty-four million, seven hundred sixty-six thousand, five hundred seventy-eight".