56761345 has 8 divisors (see below), whose sum is σ = 68604480. Its totient is φ = 45081840.

The previous prime is 56761339. The next prime is 56761349. The reversal of 56761345 is 54316765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56761345 - 2³ = 56761337 is a prime.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (56761349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40141 + ... + 41530.

It is an arithmetic number, because the mean of its divisors is an integer number (8575560).

Almost surely, 2^56761345 is an apocalyptic number.

It is an amenable number.

56761345 is a deficient number, since it is larger than the sum of its proper divisors (11843135).

56761345 is a wasteful number, since it uses less digits than its factorization.

56761345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81815.

The product of its digits is 75600, while the sum is 37.

The square root of 56761345 is about 7534.0125431273. The cubic root of 56761345 is about 384.3122482881.

It can be divided in two parts, 5676 and 1345, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 56761345 in words is "fifty-six million, seven hundred sixty-one thousand, three hundred forty-five".