56603771 has 6 divisors (see below), whose sum is σ = 65845260. Its totient is φ = 48517476.

The previous prime is 56603731. The next prime is 56603777. The reversal of 56603771 is 17730665.

It is a de Polignac number, because none of the positive numbers 2^k-56603771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56603777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 577541 + ... + 577638.

It is an arithmetic number, because the mean of its divisors is an integer number (10974210).

Almost surely, 2^56603771 is an apocalyptic number.

56603771 is a deficient number, since it is larger than the sum of its proper divisors (9241489).

56603771 is a wasteful number, since it uses less digits than its factorization.

56603771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155193 (or 1155186 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 56603771 is about 7523.5477668451. The cubic root of 56603771 is about 383.9562915927.

The spelling of 56603771 in words is "fifty-six million, six hundred three thousand, seven hundred seventy-one".