56144737 has 4 divisors (see below), whose sum is σ = 61248816. Its totient is φ = 51040660.

The previous prime is 56144723. The next prime is 56144773. The reversal of 56144737 is 73744165.

56144737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56144737 - 2¹⁵ = 56111969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56144696 and 56144705.

It is not an unprimeable number, because it can be changed into a prime (56144707) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2552023 + ... + 2552044.

It is an arithmetic number, because the mean of its divisors is an integer number (15312204).

Almost surely, 2^56144737 is an apocalyptic number.

It is an amenable number.

56144737 is a deficient number, since it is larger than the sum of its proper divisors (5104079).

56144737 is a wasteful number, since it uses less digits than its factorization.

56144737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104078.

The product of its digits is 70560, while the sum is 37.

The square root of 56144737 is about 7492.9791805396. The cubic root of 56144737 is about 382.9155624225.

The spelling of 56144737 in words is "fifty-six million, one hundred forty-four thousand, seven hundred thirty-seven".