56740020 has 48 divisors (see below), whose sum is σ = 159407808. Its totient is φ = 15079680.

The previous prime is 56740009. The next prime is 56740027. The reversal of 56740020 is 2004765.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56740027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18432 + ... + 21288.

It is an arithmetic number, because the mean of its divisors is an integer number (3320996).

Almost surely, 2^56740020 is an apocalyptic number.

It is an amenable number.

56740020 is an abundant number, since it is smaller than the sum of its proper divisors (102667788).

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

56740020 is a wasteful number, since it uses less digits than its factorization.

56740020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200 (or 3198 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 56740020 is about 7532.5971616701. The cubic root of 56740020 is about 384.2641140914.

Adding to 56740020 its reverse (2004765), we get a palindrome (58744785).

The spelling of 56740020 in words is "fifty-six million, seven hundred forty thousand, twenty".