56249530 has 8 divisors (see below), whose sum is σ = 101249172. Its totient is φ = 22499808.

The previous prime is 56249429. The next prime is 56249561. The reversal of 56249530 is 3594265.

It can be written as a sum of positive squares in 2 ways, for example, as 56205009 + 44521 = 7497^2 + 211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2812467 + ... + 2812486.

Almost surely, 2^56249530 is an apocalyptic number.

56249530 is a deficient number, since it is larger than the sum of its proper divisors (44999642).

56249530 is a wasteful number, since it uses less digits than its factorization.

56249530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624960.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 56249530 is about 7499.9686666012. The cubic root of 56249530 is about 383.1536490370.

The spelling of 56249530 in words is "fifty-six million, two hundred forty-nine thousand, five hundred thirty".