56145744 has 40 divisors (see below), whose sum is σ = 161160320. Its totient is φ = 18715104.

The previous prime is 56145731. The next prime is 56145773. The reversal of 56145744 is 44754165.

56145744 is a `hidden beast` number, since 561 + 4 + 57 + 44 = 666.

56145744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 56145699 and 56145708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64552 + ... + 65415.

It is an arithmetic number, because the mean of its divisors is an integer number (4029008).

Almost surely, 2^56145744 is an apocalyptic number.

56145744 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

56145744 is an abundant number, since it is smaller than the sum of its proper divisors (105014576).

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

56145744 is a wasteful number, since it uses less digits than its factorization.

56145744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129984 (or 129972 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 56145744 is about 7493.0463764747. The cubic root of 56145744 is about 382.9178517060.

The spelling of 56145744 in words is "fifty-six million, one hundred forty-five thousand, seven hundred forty-four".