56247320 has 32 divisors (see below), whose sum is σ = 126781200. Its totient is φ = 22459008.

The previous prime is 56247319. The next prime is 56247337. The reversal of 56247320 is 2374265.

It is a super-3 number, since 3×56247320³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33542 + ... + 35178.

Almost surely, 2^56247320 is an apocalyptic number.

It is an amenable number.

56247320 is an abundant number, since it is smaller than the sum of its proper divisors (70533880).

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

56247320 is a wasteful number, since it uses less digits than its factorization.

56247320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 56247320 is about 7499.8213312052. The cubic root of 56247320 is about 383.1486310356.

The spelling of 56247320 in words is "fifty-six million, two hundred forty-seven thousand, three hundred twenty".