56306451 has 4 divisors (see below), whose sum is σ = 75075272. Its totient is φ = 37537632.

The previous prime is 56306449. The next prime is 56306501. The reversal of 56306451 is 15460365.

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

It is not a de Polignac number, because 56306451 - 2¹ = 56306449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56306401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9384406 + ... + 9384411.

It is an arithmetic number, because the mean of its divisors is an integer number (18768818).

Almost surely, 2^56306451 is an apocalyptic number.

56306451 is a deficient number, since it is larger than the sum of its proper divisors (18768821).

56306451 is a wasteful number, since it uses less digits than its factorization.

56306451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18768820.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 56306451 is about 7503.7624562615. The cubic root of 56306451 is about 383.2828479617.

The spelling of 56306451 in words is "fifty-six million, three hundred six thousand, four hundred fifty-one".