56703240 has 320 divisors, whose sum is σ = 218496960. Its totient is φ = 13063680.

The previous prime is 56703223. The next prime is 56703263. The reversal of 56703240 is 4230765.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1318659 + ... + 1318701.

It is an arithmetic number, because the mean of its divisors is an integer number (682803).

Almost surely, 2^56703240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56703240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109248480).

56703240 is an abundant number, since it is smaller than the sum of its proper divisors (161793720).

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

56703240 is a wasteful number, since it uses less digits than its factorization.

56703240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 56703240 is about 7530.1553768830. The cubic root of 56703240 is about 384.1810669521.

The spelling of 56703240 in words is "fifty-six million, seven hundred three thousand, two hundred forty".