56350440 has 96 divisors (see below), whose sum is σ = 184490280. Its totient is φ = 14916096.

The previous prime is 56350423. The next prime is 56350457. The reversal of 56350440 is 4405365.

It is an interprime number because it is at equal distance from previous prime (56350423) and next prime (56350457).

It can be written as a sum of positive squares in 4 ways, for example, as 49028004 + 7322436 = 7002^2 + 2706^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56022 + ... + 57018.

Almost surely, 2^56350440 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 56350440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92245140).

56350440 is an abundant number, since it is smaller than the sum of its proper divisors (128139840).

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

56350440 is a wasteful number, since it uses less digits than its factorization.

56350440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 56350440 is about 7506.6930135713. The cubic root of 56350440 is about 383.3826342808.

The spelling of 56350440 in words is "fifty-six million, three hundred fifty thousand, four hundred forty".