56204731 has 16 divisors (see below), whose sum is σ = 62599680. Its totient is φ = 50037120.

The previous prime is 56204719. The next prime is 56204761. The reversal of 56204731 is 13740265.

It is a cyclic number.

It is not a de Polignac number, because 56204731 - 2⁹ = 56204219 is a prime.

It is a super-2 number, since 2×56204731² = 6317943573564722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56204731.

It is not an unprimeable number, because it can be changed into a prime (56204761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127810 + ... + 128248.

It is an arithmetic number, because the mean of its divisors is an integer number (3912480).

Almost surely, 2^56204731 is an apocalyptic number.

56204731 is a deficient number, since it is larger than the sum of its proper divisors (6394949).

56204731 is a wasteful number, since it uses less digits than its factorization.

56204731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 56204731 is about 7496.9814592274. The cubic root of 56204731 is about 383.0519032432.

Adding to 56204731 its reverse (13740265), we get a palindrome (69944996).

The spelling of 56204731 in words is "fifty-six million, two hundred four thousand, seven hundred thirty-one".