56025640 has 32 divisors (see below), whose sum is σ = 137518560. Its totient is φ = 20372800.

The previous prime is 56025637. The next prime is 56025647. The reversal of 56025640 is 4652065.

It is a junction number, because it is equal to n+sod(n) for n = 56025599 and 56025608.

It is not an unprimeable number, because it can be changed into a prime (56025647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63226 + ... + 64105.

It is an arithmetic number, because the mean of its divisors is an integer number (4297455).

Almost surely, 2^56025640 is an apocalyptic number.

It is an amenable number.

56025640 is an abundant number, since it is smaller than the sum of its proper divisors (81492920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56025640 is a wasteful number, since it uses less digits than its factorization.

56025640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127353 (or 127349 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 56025640 is about 7485.0277220596. The cubic root of 56025640 is about 382.6446175924.

It can be divided in two parts, 56025 and 640, that added together give a palindrome (56665).

The spelling of 56025640 in words is "fifty-six million, twenty-five thousand, six hundred forty".