56145774 has 32 divisors (see below), whose sum is σ = 117411840. Its totient is φ = 17877600.

The previous prime is 56145773. The next prime is 56145797. The reversal of 56145774 is 47754165.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56145773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12784 + ... + 16604.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 2^56145774 is an apocalyptic number.

56145774 is an abundant number, since it is smaller than the sum of its proper divisors (61266066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56145774 is a wasteful number, since it uses less digits than its factorization.

56145774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936.

The product of its digits is 117600, while the sum is 39.

The square root of 56145774 is about 7493.0483783304. The cubic root of 56145774 is about 382.9179199067.

The spelling of 56145774 in words is "fifty-six million, one hundred forty-five thousand, seven hundred seventy-four".