56450625 has 160 divisors (see below), whose sum is σ = 129558528. Its totient is φ = 21120000.

The previous prime is 56450593. The next prime is 56450657. The reversal of 56450625 is 52605465.

It is a happy number.

56450625 is a nontrivial binomial coefficient, being equal to C(10626, 2).

It is an interprime number because it is at equal distance from previous prime (56450593) and next prime (56450657).

It is not a de Polignac number, because 56450625 - 2⁵ = 56450593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2454364 + ... + 2454386.

Almost surely, 2^56450625 is an apocalyptic number.

56450625 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56450625 is the 10625-th triangular number and also the 5313-rd hexagonal number.

It is an amenable number.

56450625 is an abundant number, since it is smaller than the sum of its proper divisors (73107903).

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

56450625 is a wasteful number, since it uses less digits than its factorization.

56450625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 56450625 is about 7513.3630951791. The cubic root of 56450625 is about 383.6097040795.

It can be divided in two parts, 56450 and 625, that added together give a palindrome (57075).

The spelling of 56450625 in words is "fifty-six million, four hundred fifty thousand, six hundred twenty-five".