56145351 has 4 divisors (see below), whose sum is σ = 74860472. Its totient is φ = 37430232.

The previous prime is 56145347. The next prime is 56145413. The reversal of 56145351 is 15354165.

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

It is not a de Polignac number, because 56145351 - 2² = 56145347 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 (56145151) 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, 9357556 + ... + 9357561.

It is an arithmetic number, because the mean of its divisors is an integer number (18715118).

Almost surely, 2^56145351 is an apocalyptic number.

56145351 is a deficient number, since it is larger than the sum of its proper divisors (18715121).

56145351 is a wasteful number, since it uses less digits than its factorization.

56145351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18715120.

The product of its digits is 9000, while the sum is 30.

The square root of 56145351 is about 7493.0201521149. The cubic root of 56145351 is about 382.9169582749.

The spelling of 56145351 in words is "fifty-six million, one hundred forty-five thousand, three hundred fifty-one".