56119045 has 4 divisors (see below), whose sum is σ = 67342860. Its totient is φ = 44895232.

The previous prime is 56119013. The next prime is 56119051. The reversal of 56119045 is 54091165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54091165 = 5 ⋅10818233.

It can be written as a sum of positive squares in 2 ways, for example, as 39325441 + 16793604 = 6271^2 + 4098^2 .

It is a cyclic number.

It is not a de Polignac number, because 56119045 - 2⁵ = 56119013 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 56118998 and 56119016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5611900 + ... + 5611909.

It is an arithmetic number, because the mean of its divisors is an integer number (16835715).

Almost surely, 2^56119045 is an apocalyptic number.

It is an amenable number.

56119045 is a deficient number, since it is larger than the sum of its proper divisors (11223815).

56119045 is a wasteful number, since it uses less digits than its factorization.

56119045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11223814.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 56119045 is about 7491.2645794952. The cubic root of 56119045 is about 382.8571457412.

The spelling of 56119045 in words is "fifty-six million, one hundred nineteen thousand, forty-five".