56478501 has 24 divisors (see below), whose sum is σ = 85565376. Its totient is φ = 35830080.

The previous prime is 56478481. The next prime is 56478503. The reversal of 56478501 is 10587465.

56478501 is a `hidden beast` number, since 5 + 647 + 8 + 5 + 0 + 1 = 666.

It is not a de Polignac number, because 56478501 - 2⁹ = 56477989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56478503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47646 + ... + 48816.

It is an arithmetic number, because the mean of its divisors is an integer number (3565224).

Almost surely, 2^56478501 is an apocalyptic number.

It is an amenable number.

56478501 is a deficient number, since it is larger than the sum of its proper divisors (29086875).

56478501 is a wasteful number, since it uses less digits than its factorization.

56478501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 56478501 is about 7515.2179609110. The cubic root of 56478501 is about 383.6728373894.

The spelling of 56478501 in words is "fifty-six million, four hundred seventy-eight thousand, five hundred one".