56169625 has 16 divisors (see below), whose sum is σ = 70486416. Its totient is φ = 44688000.

The previous prime is 56169601. The next prime is 56169671. The reversal of 56169625 is 52696165.

It can be written as a sum of positive squares in 8 ways, for example, as 2996361 + 53173264 = 1731^2 + 7292^2 .

It is not a de Polignac number, because 56169625 - 2⁷ = 56169497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23485 + ... + 25765.

It is an arithmetic number, because the mean of its divisors is an integer number (4405401).

Almost surely, 2^56169625 is an apocalyptic number.

It is an amenable number.

56169625 is a deficient number, since it is larger than the sum of its proper divisors (14316791).

56169625 is a wasteful number, since it uses less digits than its factorization.

56169625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493 (or 2483 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 56169625 is about 7494.6397511822. The cubic root of 56169625 is about 382.9721340337.

It can be divided in two parts, 56169 and 625, that multiplied together give a square (35105625 = 5925²).

The spelling of 56169625 in words is "fifty-six million, one hundred sixty-nine thousand, six hundred twenty-five".