56530650 has 48 divisors (see below), whose sum is σ = 152945568. Its totient is φ = 13704000.

The previous prime is 56530637. The next prime is 56530651. The reversal of 56530650 is 5603565.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (56530651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15481 + ... + 18780.

It is an arithmetic number, because the mean of its divisors is an integer number (3186366).

Almost surely, 2^56530650 is an apocalyptic number.

56530650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56530650 is an abundant number, since it is smaller than the sum of its proper divisors (96414918).

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

56530650 is a wasteful number, since it uses less digits than its factorization.

56530650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34287 (or 34282 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 56530650 is about 7518.6867204320. The cubic root of 56530650 is about 383.7908882080.

The spelling of 56530650 in words is "fifty-six million, five hundred thirty thousand, six hundred fifty".