56453745 has 16 divisors (see below), whose sum is σ = 92031552. Its totient is φ = 29540160.

The previous prime is 56453729. The next prime is 56453773. The reversal of 56453745 is 54735465.

It is not a de Polignac number, because 56453745 - 2⁴ = 56453729 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34711 + ... + 36300.

It is an arithmetic number, because the mean of its divisors is an integer number (5751972).

Almost surely, 2^56453745 is an apocalyptic number.

It is an amenable number.

56453745 is a deficient number, since it is larger than the sum of its proper divisors (35577807).

56453745 is a wasteful number, since it uses less digits than its factorization.

56453745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71072.

The product of its digits is 252000, while the sum is 39.

The square root of 56453745 is about 7513.5707223663. The cubic root of 56453745 is about 383.6167712598.

The spelling of 56453745 in words is "fifty-six million, four hundred fifty-three thousand, seven hundred forty-five".