56447043 has 12 divisors (see below), whose sum is σ = 79433928. Its totient is φ = 35650080.

The previous prime is 56447033. The next prime is 56447051. The reversal of 56447043 is 34074465.

It is a happy number.

It is not a de Polignac number, because 56447043 - 2⁶ = 56446979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56446995 and 56447013.

It is not an unprimeable number, because it can be changed into a prime (56447023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24978 + ... + 27143.

It is an arithmetic number, because the mean of its divisors is an integer number (6619494).

Almost surely, 2^56447043 is an apocalyptic number.

56447043 is a deficient number, since it is larger than the sum of its proper divisors (22986885).

56447043 is a wasteful number, since it uses less digits than its factorization.

56447043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52162 (or 52143 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 56447043 is about 7513.1247161218. The cubic root of 56447043 is about 383.6015900919.

The spelling of 56447043 in words is "fifty-six million, four hundred forty-seven thousand, forty-three".