56755572 has 12 divisors (see below), whose sum is σ = 132429696. Its totient is φ = 18918520.

The previous prime is 56755553. The next prime is 56755579. The reversal of 56755572 is 27555765.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56755579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364804 + ... + 2364827.

It is an arithmetic number, because the mean of its divisors is an integer number (11035808).

Almost surely, 2^56755572 is an apocalyptic number.

It is an amenable number.

56755572 is an abundant number, since it is smaller than the sum of its proper divisors (75674124).

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

56755572 is a wasteful number, since it uses less digits than its factorization.

56755572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729638 (or 4729636 counting only the distinct ones).

The product of its digits is 367500, while the sum is 42.

The square root of 56755572 is about 7533.6294042115. The cubic root of 56755572 is about 384.2992188234.

The spelling of 56755572 in words is "fifty-six million, seven hundred fifty-five thousand, five hundred seventy-two".