56497500 has 210 divisors, whose sum is σ = 191213792. Its totient is φ = 14580000.

The previous prime is 56497489. The next prime is 56497513. The reversal of 56497500 is 579465.

56497500 is a `hidden beast` number, since 5 + 64 + 97 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 1822485 + ... + 1822515.

Almost surely, 2^56497500 is an apocalyptic number.

56497500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56497500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95606896).

56497500 is an abundant number, since it is smaller than the sum of its proper divisors (134716292).

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

56497500 is an equidigital number, since it uses as much as digits as its factorization.

56497500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 56497500 is about 7516.4818898205. The cubic root of 56497500 is about 383.7158542477.

The spelling of 56497500 in words is "fifty-six million, four hundred ninety-seven thousand, five hundred".