56450725 has 6 divisors (see below), whose sum is σ = 69998930. Its totient is φ = 45160560.

The previous prime is 56450711. The next prime is 56450731. The reversal of 56450725 is 52705465.

It can be written as a sum of positive squares in 3 ways, for example, as 18714276 + 37736449 = 4326^2 + 6143^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56450725 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1128990 + ... + 1129039.

Almost surely, 2^56450725 is an apocalyptic number.

It is an amenable number.

56450725 is a deficient number, since it is larger than the sum of its proper divisors (13548205).

56450725 is a wasteful number, since it uses less digits than its factorization.

56450725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258039 (or 2258034 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 56450725 is about 7513.3697499857. The cubic root of 56450725 is about 383.6099305958.

It can be divided in two parts, 56450 and 725, that added together give a palindrome (57175).

The spelling of 56450725 in words is "fifty-six million, four hundred fifty thousand, seven hundred twenty-five".