56473879 has 8 divisors (see below), whose sum is σ = 70409088. Its totient is φ = 44005560.

The previous prime is 56473799. The next prime is 56473913. The reversal of 56473879 is 97837465.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56473879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56473379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366637 + ... + 366790.

It is an arithmetic number, because the mean of its divisors is an integer number (8801136).

Almost surely, 2^56473879 is an apocalyptic number.

56473879 is a deficient number, since it is larger than the sum of its proper divisors (13935209).

56473879 is a wasteful number, since it uses less digits than its factorization.

56473879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733445.

The product of its digits is 1270080, while the sum is 49.

The square root of 56473879 is about 7514.9104452415. The cubic root of 56473879 is about 383.6623709629.

The spelling of 56473879 in words is "fifty-six million, four hundred seventy-three thousand, eight hundred seventy-nine".