56389651 has 8 divisors (see below), whose sum is σ = 58671104. Its totient is φ = 54137160.

The previous prime is 56389649. The next prime is 56389657. The reversal of 56389651 is 15698365.

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

It is not a de Polignac number, because 56389651 - 2¹ = 56389649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56389598 and 56389607.

It is not an unprimeable number, because it can be changed into a prime (56389657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3225 + ... + 11098.

It is an arithmetic number, because the mean of its divisors is an integer number (7333888).

Almost surely, 2^56389651 is an apocalyptic number.

56389651 is a deficient number, since it is larger than the sum of its proper divisors (2281453).

56389651 is a wasteful number, since it uses less digits than its factorization.

56389651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14481.

The product of its digits is 194400, while the sum is 43.

The square root of 56389651 is about 7509.3042953392. The cubic root of 56389651 is about 383.4715382361.

The spelling of 56389651 in words is "fifty-six million, three hundred eighty-nine thousand, six hundred fifty-one".