56001240 has 64 divisors (see below), whose sum is σ = 186674400. Its totient is φ = 14933376.

The previous prime is 56001223. The next prime is 56001259. The reversal of 56001240 is 4210065.

It is a happy number.

It is a super-2 number, since 2×56001240² = 6272277763075200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 24847 + ... + 27006.

Almost surely, 2^56001240 is an apocalyptic number.

It is an amenable number.

56001240 is an abundant number, since it is smaller than the sum of its proper divisors (130673160).

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

56001240 is a wasteful number, since it uses less digits than its factorization.

56001240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51873 (or 51863 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 56001240 is about 7483.3976240742. The cubic root of 56001240 is about 382.5890603844.

The spelling of 56001240 in words is "fifty-six million, one thousand, two hundred forty".