56450680 has 128 divisors (see below), whose sum is σ = 152409600. Its totient is φ = 18547200.

The previous prime is 56450677. The next prime is 56450689. The reversal of 56450680 is 8605465.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56450689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406051 + ... + 406189.

It is an arithmetic number, because the mean of its divisors is an integer number (1190700).

Almost surely, 2^56450680 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 56450680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76204800).

56450680 is an abundant number, since it is smaller than the sum of its proper divisors (95958920).

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

56450680 is a wasteful number, since it uses less digits than its factorization.

56450680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 56450680 is about 7513.3667553235. The cubic root of 56450680 is about 383.6098286635.

The spelling of 56450680 in words is "fifty-six million, four hundred fifty thousand, six hundred eighty".