56399254 has 4 divisors (see below), whose sum is σ = 84598884. Its totient is φ = 28199626.

The previous prime is 56399237. The next prime is 56399257. The reversal of 56399254 is 45299365.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 56399254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56399257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14099812 + ... + 14099815.

It is an arithmetic number, because the mean of its divisors is an integer number (21149721).

Almost surely, 2^56399254 is an apocalyptic number.

56399254 is a deficient number, since it is larger than the sum of its proper divisors (28199630).

56399254 is a wasteful number, since it uses less digits than its factorization.

56399254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28199629.

The product of its digits is 291600, while the sum is 43.

The square root of 56399254 is about 7509.9436748886. The cubic root of 56399254 is about 383.4933050444.

The spelling of 56399254 in words is "fifty-six million, three hundred ninety-nine thousand, two hundred fifty-four".