79566552 has 96 divisors (see below), whose sum is σ = 233906400. Its totient is φ = 24433344.

The previous prime is 79566541. The next prime is 79566563. The reversal of 79566552 is 25566597.

79566552 is a `hidden beast` number, since 7 + 95 + 6 + 6 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (79566541) and next prime (79566563).

It is a junction number, because it is equal to n+sod(n) for n = 79566498 and 79566507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157933 + ... + 158435.

It is an arithmetic number, because the mean of its divisors is an integer number (2436525).

Almost surely, 2^79566552 is an apocalyptic number.

79566552 is a gapful number since it is divisible by the number (72) 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 79566552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116953200).

79566552 is an abundant number, since it is smaller than the sum of its proper divisors (154339848).

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

79566552 is a wasteful number, since it uses less digits than its factorization.

79566552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 521 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 79566552 is about 8920.0085201753. The cubic root of 79566552 is about 430.1073321394.

Adding to 79566552 its sum of digits (45), we get a palindrome (79566597).

The spelling of 79566552 in words is "seventy-nine million, five hundred sixty-six thousand, five hundred fifty-two".