56698278 has 32 divisors (see below), whose sum is σ = 139566336. Its totient is φ = 14953248.

The previous prime is 56698267. The next prime is 56698321. The reversal of 56698278 is 87289665.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56698278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51376 + ... + 52467.

It is an arithmetic number, because the mean of its divisors is an integer number (4361448).

Almost surely, 2^56698278 is an apocalyptic number.

56698278 is an abundant number, since it is smaller than the sum of its proper divisors (82868058).

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

56698278 is a wasteful number, since it uses less digits than its factorization.

56698278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103868.

The product of its digits is 1451520, while the sum is 51.

The square root of 56698278 is about 7529.8258944015. The cubic root of 56698278 is about 384.1698602905.

The spelling of 56698278 in words is "fifty-six million, six hundred ninety-eight thousand, two hundred seventy-eight".