56876445 has 32 divisors (see below), whose sum is σ = 102412800. Its totient is φ = 29944512.

The previous prime is 56876431. The next prime is 56876459. The reversal of 56876445 is 54467865.

56876445 is a nontrivial binomial coefficient, being equal to C(10666, 2).

It is an interprime number because it is at equal distance from previous prime (56876431) and next prime (56876459).

It is not a de Polignac number, because 56876445 - 2⁶ = 56876381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56876445.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7999 + ... + 13331.

It is an arithmetic number, because the mean of its divisors is an integer number (3200400).

Almost surely, 2^56876445 is an apocalyptic number.

56876445 is the 10665-th triangular number and also the 5333-rd hexagonal number.

It is an amenable number.

56876445 is a deficient number, since it is larger than the sum of its proper divisors (45536355).

56876445 is a wasteful number, since it uses less digits than its factorization.

56876445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426 (or 5420 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 56876445 is about 7541.6473664578. The cubic root of 56876445 is about 384.5718408807.

The spelling of 56876445 in words is "fifty-six million, eight hundred seventy-six thousand, four hundred forty-five".