56181374 has 4 divisors (see below), whose sum is σ = 84272064. Its totient is φ = 28090686.

The previous prime is 56181361. The next prime is 56181383. The reversal of 56181374 is 47318165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47318165 = 5 ⋅9463633.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14045342 + ... + 14045345.

It is an arithmetic number, because the mean of its divisors is an integer number (21068016).

Almost surely, 2^56181374 is an apocalyptic number.

56181374 is a deficient number, since it is larger than the sum of its proper divisors (28090690).

56181374 is a wasteful number, since it uses less digits than its factorization.

56181374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28090689.

The product of its digits is 20160, while the sum is 35.

The square root of 56181374 is about 7495.4235370658. The cubic root of 56181374 is about 382.9988342649.

The spelling of 56181374 in words is "fifty-six million, one hundred eighty-one thousand, three hundred seventy-four".