56426747 has 8 divisors (see below), whose sum is σ = 61177200. Its totient is φ = 51734880.

The previous prime is 56426731. The next prime is 56426761. The reversal of 56426747 is 74762465.

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

It is a cyclic number.

It is not a de Polignac number, because 56426747 - 2⁴ = 56426731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56426717) 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, 12629 + ... + 16502.

It is an arithmetic number, because the mean of its divisors is an integer number (7647150).

Almost surely, 2^56426747 is an apocalyptic number.

56426747 is a deficient number, since it is larger than the sum of its proper divisors (4750453).

56426747 is a wasteful number, since it uses less digits than its factorization.

56426747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29293.

The product of its digits is 282240, while the sum is 41.

The square root of 56426747 is about 7511.7738916983. The cubic root of 56426747 is about 383.5556088750. Note that the first 3 decimals are identical.

The spelling of 56426747 in words is "fifty-six million, four hundred twenty-six thousand, seven hundred forty-seven".