56426398 has 16 divisors (see below), whose sum is σ = 98095104. Its totient is φ = 23841720.

The previous prime is 56426393. The next prime is 56426407. The reversal of 56426398 is 89362465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56426393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27390 + ... + 29377.

It is an arithmetic number, because the mean of its divisors is an integer number (6130944).

Almost surely, 2^56426398 is an apocalyptic number.

56426398 is a deficient number, since it is larger than the sum of its proper divisors (41668706).

56426398 is a wasteful number, since it uses less digits than its factorization.

56426398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56847.

The product of its digits is 311040, while the sum is 43.

The square root of 56426398 is about 7511.7506614637. The cubic root of 56426398 is about 383.5548181082.

It can be divided in two parts, 564 and 26398, that added together give a palindrome (26962).

The spelling of 56426398 in words is "fifty-six million, four hundred twenty-six thousand, three hundred ninety-eight".