56740128 has 48 divisors (see below), whose sum is σ = 150758496. Its totient is φ = 18682880.

The previous prime is 56740127. The next prime is 56740133. The reversal of 56740128 is 82104765.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (56740121) 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, 4408 + ... + 11528.

It is an arithmetic number, because the mean of its divisors is an integer number (3140802).

Almost surely, 2^56740128 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 56740128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75379248).

56740128 is an abundant number, since it is smaller than the sum of its proper divisors (94018368).

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

56740128 is a wasteful number, since it uses less digits than its factorization.

56740128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7217 (or 7209 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 56740128 is about 7532.6043305088. The cubic root of 56740128 is about 384.2643578964.

The spelling of 56740128 in words is "fifty-six million, seven hundred forty thousand, one hundred twenty-eight".