56740380 has 24 divisors (see below), whose sum is σ = 158873232. Its totient is φ = 15130752.

The previous prime is 56740361. The next prime is 56740381. The reversal of 56740380 is 8304765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56740381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472777 + ... + 472896.

It is an arithmetic number, because the mean of its divisors is an integer number (6619718).

Almost surely, 2^56740380 is an apocalyptic number.

It is an amenable number.

56740380 is an abundant number, since it is smaller than the sum of its proper divisors (102132852).

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

56740380 is a wasteful number, since it uses less digits than its factorization.

56740380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945685 (or 945683 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 56740380 is about 7532.6210577727. The cubic root of 56740380 is about 384.2649267734.

The spelling of 56740380 in words is "fifty-six million, seven hundred forty thousand, three hundred eighty".