56389396 has 18 divisors (see below), whose sum is σ = 114793098. Its totient is φ = 24166800.

The previous prime is 56389379. The next prime is 56389423. The reversal of 56389396 is 69398365.

56389396 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 54228496 + 2160900 = 7364^2 + 1470^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

56389396 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143655 + ... + 144046.

Almost surely, 2^56389396 is an apocalyptic number.

It is an amenable number.

56389396 is an abundant number, since it is smaller than the sum of its proper divisors (58403702).

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

56389396 is a wasteful number, since it uses less digits than its factorization.

56389396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287719 (or 287710 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 49.

The square root of 56389396 is about 7509.2873163836. The cubic root of 56389396 is about 383.4709602022.

The spelling of 56389396 in words is "fifty-six million, three hundred eighty-nine thousand, three hundred ninety-six".