56031351 has 4 divisors (see below), whose sum is σ = 74708472. Its totient is φ = 37354232.

The previous prime is 56031347. The next prime is 56031373. The reversal of 56031351 is 15313065.

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 56031351 - 2² = 56031347 is a prime.

It is a super-3 number, since 3×56031351³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56031251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9338556 + ... + 9338561.

It is an arithmetic number, because the mean of its divisors is an integer number (18677118).

Almost surely, 2^56031351 is an apocalyptic number.

56031351 is a deficient number, since it is larger than the sum of its proper divisors (18677121).

56031351 is a wasteful number, since it uses less digits than its factorization.

56031351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18677120.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 56031351 is about 7485.4092072511. The cubic root of 56031351 is about 382.6576188371.

The spelling of 56031351 in words is "fifty-six million, thirty-one thousand, three hundred fifty-one".