56651236478 has 8 divisors (see below), whose sum is σ = 84980671320. Its totient is φ = 28324346040.

The previous prime is 56651236429. The next prime is 56651236489. The reversal of 56651236478 is 87463215665.

It is a happy number.

56651236478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579428 + ... + 670103.

It is an arithmetic number, because the mean of its divisors is an integer number (10622583915).

Almost surely, 2^56651236478 is an apocalyptic number.

56651236478 is a deficient number, since it is larger than the sum of its proper divisors (28329434842).

56651236478 is a wasteful number, since it uses less digits than its factorization.

56651236478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272202.

The product of its digits is 7257600, while the sum is 53.

The spelling of 56651236478 in words is "fifty-six billion, six hundred fifty-one million, two hundred thirty-six thousand, four hundred seventy-eight".