56730516 has 24 divisors (see below), whose sum is σ = 132516384. Its totient is φ = 18889440.

The previous prime is 56730473. The next prime is 56730517. The reversal of 56730516 is 61503765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56730517) 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, 12171 + ... + 16173.

It is an arithmetic number, because the mean of its divisors is an integer number (5521516).

Almost surely, 2^56730516 is an apocalyptic number.

It is an amenable number.

56730516 is an abundant number, since it is smaller than the sum of its proper divisors (75785868).

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

56730516 is a wasteful number, since it uses less digits than its factorization.

56730516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191 (or 5189 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 56730516 is about 7531.9662771417. The cubic root of 56730516 is about 384.2426580417.

The spelling of 56730516 in words is "fifty-six million, seven hundred thirty thousand, five hundred sixteen".