56398342 has 72 divisors (see below), whose sum is σ = 115658928. Its totient is φ = 20180160.

The previous prime is 56398339. The next prime is 56398351. The reversal of 56398342 is 24389365.

It is a junction number, because it is equal to n+sod(n) for n = 56398295 and 56398304.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 286188 + ... + 286384.

It is an arithmetic number, because the mean of its divisors is an integer number (1606374).

Almost surely, 2^56398342 is an apocalyptic number.

56398342 is an abundant number, since it is smaller than the sum of its proper divisors (59260586).

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

56398342 is a wasteful number, since it uses less digits than its factorization.

56398342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 230 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 56398342 is about 7509.8829551465. The cubic root of 56398342 is about 383.4912379498.

The spelling of 56398342 in words is "fifty-six million, three hundred ninety-eight thousand, three hundred forty-two".