56056151 has 4 divisors (see below), whose sum is σ = 56124600. Its totient is φ = 55987704.

The previous prime is 56056141. The next prime is 56056199. The reversal of 56056151 is 15165065.

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

It is a cyclic number.

It is not a de Polignac number, because 56056151 - 2⁶ = 56056087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56056141) 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, 32981 + ... + 34638.

It is an arithmetic number, because the mean of its divisors is an integer number (14031150).

Almost surely, 2^56056151 is an apocalyptic number.

56056151 is a deficient number, since it is larger than the sum of its proper divisors (68449).

56056151 is an equidigital number, since it uses as much as digits as its factorization.

56056151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68448.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 56056151 is about 7487.0655800520. The cubic root of 56056151 is about 382.7140664568.

The spelling of 56056151 in words is "fifty-six million, fifty-six thousand, one hundred fifty-one".