56290530 has 32 divisors (see below), whose sum is σ = 136416384. Its totient is φ = 14864256.

The previous prime is 56290529. The next prime is 56290541. The reversal of 56290530 is 3509265.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6019 + ... + 12198.

It is an arithmetic number, because the mean of its divisors is an integer number (4263012).

Almost surely, 2^56290530 is an apocalyptic number.

56290530 is an abundant number, since it is smaller than the sum of its proper divisors (80125854).

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

56290530 is a wasteful number, since it uses less digits than its factorization.

56290530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18330.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 56290530 is about 7502.7015134550. The cubic root of 56290530 is about 383.2467193515.

Adding to 56290530 its reverse (3509265), we get a palindrome (59799795).

The spelling of 56290530 in words is "fifty-six million, two hundred ninety thousand, five hundred thirty".