56779741225 has 9 divisors (see below), whose sum is σ = 70408356517. Its totient is φ = 45422839840.

The previous prime is 56779741211. The next prime is 56779741231. The reversal of 56779741225 is 52214797765.

The square root of 56779741225 is 238285.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 877759129 + 55901982096 = 29627^2 + 236436^2 .

It is not a de Polignac number, because 56779741225 - 2¹³ = 56779733033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1167597 + ... + 1215253.

Almost surely, 2^56779741225 is an apocalyptic number.

56779741225 is the 238285-th square number.

56779741225 is the 119143-rd centered octagonal number.

It is an amenable number.

56779741225 is a deficient number, since it is larger than the sum of its proper divisors (13628615292).

56779741225 is an frugal number, since it uses more digits than its factorization.

56779741225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95324 (or 47662 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 55.

The spelling of 56779741225 in words is "fifty-six billion, seven hundred seventy-nine million, seven hundred forty-one thousand, two hundred twenty-five".