56772605 has 24 divisors (see below), whose sum is σ = 73274760. Its totient is φ = 42214400.

The previous prime is 56772601. The next prime is 56772607. The reversal of 56772605 is 50627765.

It can be written as a sum of positive squares in 12 ways, for example, as 11449 + 56761156 = 107^2 + 7534^2 .

It is not a de Polignac number, because 56772605 - 2² = 56772601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56772601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145751 + ... + 146139.

It is an arithmetic number, because the mean of its divisors is an integer number (3053115).

Almost surely, 2^56772605 is an apocalyptic number.

It is an amenable number.

56772605 is a deficient number, since it is larger than the sum of its proper divisors (16502155).

56772605 is a wasteful number, since it uses less digits than its factorization.

56772605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 56772605 is about 7534.7597838285. The cubic root of 56772605 is about 384.3376591835.

The spelling of 56772605 in words is "fifty-six million, seven hundred seventy-two thousand, six hundred five".