79555552 has 24 divisors (see below), whose sum is σ = 158152176. Its totient is φ = 39389952.

The previous prime is 79555549. The next prime is 79555559. The reversal of 79555552 is 25555597.

It is a junction number, because it is equal to n+sod(n) for n = 79555499 and 79555508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79555559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8773 + ... + 15364.

It is an arithmetic number, because the mean of its divisors is an integer number (6589674).

Almost surely, 2^79555552 is an apocalyptic number.

It is an amenable number.

79555552 is a deficient number, since it is larger than the sum of its proper divisors (78596624).

79555552 is a wasteful number, since it uses less digits than its factorization.

79555552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24250 (or 24242 counting only the distinct ones).

The product of its digits is 393750, while the sum is 43.

The square root of 79555552 is about 8919.3919075237. The cubic root of 79555552 is about 430.0875105830.

It can be divided in two parts, 7 and 9555552, that added together give a palindrome (9555559).

The spelling of 79555552 in words is "seventy-nine million, five hundred fifty-five thousand, five hundred fifty-two".