56519377 has 4 divisors (see below), whose sum is σ = 56534436. Its totient is φ = 56504320.

The previous prime is 56519341. The next prime is 56519381. The reversal of 56519377 is 77391565.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 29986576 + 26532801 = 5476^2 + 5151^2 .

It is a cyclic number.

It is not a de Polignac number, because 56519377 - 2⁷ = 56519249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56519327) 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, 3153 + ... + 11089.

It is an arithmetic number, because the mean of its divisors is an integer number (14133609).

Almost surely, 2^56519377 is an apocalyptic number.

It is an amenable number.

56519377 is a deficient number, since it is larger than the sum of its proper divisors (15059).

56519377 is an equidigital number, since it uses as much as digits as its factorization.

56519377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15058.

The product of its digits is 198450, while the sum is 43.

The square root of 56519377 is about 7517.9370175601. The cubic root of 56519377 is about 383.7653754268.

The spelling of 56519377 in words is "fifty-six million, five hundred nineteen thousand, three hundred seventy-seven".