56197332 has 18 divisors (see below), whose sum is σ = 142054458. Its totient is φ = 18732432.

The previous prime is 56197319. The next prime is 56197333. The reversal of 56197332 is 23379165.

56197332 is a `hidden beast` number, since 5 + 619 + 7 + 3 + 32 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53494596 + 2702736 = 7314^2 + 1644^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1561037 = 56197332 / (5 + 6 + 1 + 9 + 7 + 3 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56197333) 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 5 ways as a sum of consecutive naturals, for example, 780483 + ... + 780554.

Almost surely, 2^56197332 is an apocalyptic number.

It is an amenable number.

56197332 is an abundant number, since it is smaller than the sum of its proper divisors (85857126).

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

56197332 is a wasteful number, since it uses less digits than its factorization.

56197332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561047 (or 1561042 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 56197332 is about 7496.4879777133. The cubic root of 56197332 is about 383.0350937127.

The spelling of 56197332 in words is "fifty-six million, one hundred ninety-seven thousand, three hundred thirty-two".