53779925 has 12 divisors (see below), whose sum is σ = 70610436. Its totient is φ = 40492800.

The previous prime is 53779919. The next prime is 53779939. The reversal of 53779925 is 52997735.

It can be written as a sum of positive squares in 6 ways, for example, as 4695889 + 49084036 = 2167^2 + 7006^2 .

It is not a de Polignac number, because 53779925 - 2⁴ = 53779909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53779925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62846 + ... + 63695.

It is an arithmetic number, because the mean of its divisors is an integer number (5884203).

Almost surely, 2^53779925 is an apocalyptic number.

It is an amenable number.

53779925 is a deficient number, since it is larger than the sum of its proper divisors (16830511).

53779925 is a wasteful number, since it uses less digits than its factorization.

53779925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126568 (or 126563 counting only the distinct ones).

The product of its digits is 595350, while the sum is 47.

The square root of 53779925 is about 7333.4797333871. The cubic root of 53779925 is about 377.4621396763.

It can be divided in two parts, 537799 and 25, that added together give a 5-th power (537824 = 14⁵).

The spelling of 53779925 in words is "fifty-three million, seven hundred seventy-nine thousand, nine hundred twenty-five".