56441945 has 32 divisors (see below), whose sum is σ = 79488000. Its totient is φ = 37679616.

The previous prime is 56441933. The next prime is 56441963. The reversal of 56441945 is 54914465.

It is a cyclic number.

It is not a de Polignac number, because 56441945 - 2⁶ = 56441881 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56441899 and 56441908.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378731 + ... + 378879.

It is an arithmetic number, because the mean of its divisors is an integer number (2484000).

Almost surely, 2^56441945 is an apocalyptic number.

It is an amenable number.

56441945 is a deficient number, since it is larger than the sum of its proper divisors (23046055).

56441945 is a wasteful number, since it uses less digits than its factorization.

56441945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377.

The product of its digits is 86400, while the sum is 38.

The square root of 56441945 is about 7512.7854355093. The cubic root of 56441945 is about 383.5900414516.

The spelling of 56441945 in words is "fifty-six million, four hundred forty-one thousand, nine hundred forty-five".