56503072 has 24 divisors (see below), whose sum is σ = 111491100. Its totient is φ = 28187904.

The previous prime is 56503003. The next prime is 56503081. The reversal of 56503072 is 27030565.

It can be written as a sum of positive squares in 2 ways, for example, as 55413136 + 1089936 = 7444^2 + 1044^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 56503072.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14554 + ... + 18022.

Almost surely, 2^56503072 is an apocalyptic number.

It is an amenable number.

56503072 is a deficient number, since it is larger than the sum of its proper divisors (54988028).

56503072 is a wasteful number, since it uses less digits than its factorization.

56503072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988 (or 3980 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 56503072 is about 7516.8525328092. The cubic root of 56503072 is about 383.7284683424.

The spelling of 56503072 in words is "fifty-six million, five hundred three thousand, seventy-two".