56946545 has 4 divisors (see below), whose sum is σ = 68335860. Its totient is φ = 45557232.

The previous prime is 56946541. The next prime is 56946557. The reversal of 56946545 is 54564965.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11895601 + 45050944 = 3449^2 + 6712^2 .

It is a cyclic number.

It is not a de Polignac number, because 56946545 - 2² = 56946541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56946496 and 56946505.

It is not an unprimeable number, because it can be changed into a prime (56946541) 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, 5694650 + ... + 5694659.

It is an arithmetic number, because the mean of its divisors is an integer number (17083965).

Almost surely, 2^56946545 is an apocalyptic number.

It is an amenable number.

56946545 is a deficient number, since it is larger than the sum of its proper divisors (11389315).

56946545 is a wasteful number, since it uses less digits than its factorization.

56946545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11389314.

The product of its digits is 648000, while the sum is 44.

The square root of 56946545 is about 7546.2934610311. The cubic root of 56946545 is about 384.7297704548.

The spelling of 56946545 in words is "fifty-six million, nine hundred forty-six thousand, five hundred forty-five".