56406953 has 4 divisors (see below), whose sum is σ = 59375760. Its totient is φ = 53438148.

The previous prime is 56406947. The next prime is 56406967. The reversal of 56406953 is 35960465.

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 a cyclic number.

It is not a de Polignac number, because 56406953 - 2⁴ = 56406937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56406253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484375 + ... + 1484412.

It is an arithmetic number, because the mean of its divisors is an integer number (14843940).

Almost surely, 2^56406953 is an apocalyptic number.

It is an amenable number.

56406953 is a deficient number, since it is larger than the sum of its proper divisors (2968807).

56406953 is a wasteful number, since it uses less digits than its factorization.

56406953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968806.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 56406953 is about 7510.4562444634. The cubic root of 56406953 is about 383.5107543332.

The spelling of 56406953 in words is "fifty-six million, four hundred six thousand, nine hundred fifty-three".