56471603 has 4 divisors (see below), whose sum is σ = 59793480. Its totient is φ = 53149728.

The previous prime is 56471593. The next prime is 56471609. The reversal of 56471603 is 30617465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30617465 = 5 ⋅6123493.

It is a cyclic number.

It is not a de Polignac number, because 56471603 - 2⁶ = 56471539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56471603.

It is not an unprimeable number, because it can be changed into a prime (56471609) 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, 1660913 + ... + 1660946.

It is an arithmetic number, because the mean of its divisors is an integer number (14948370).

Almost surely, 2^56471603 is an apocalyptic number.

56471603 is a deficient number, since it is larger than the sum of its proper divisors (3321877).

56471603 is a wasteful number, since it uses less digits than its factorization.

56471603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321876.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 56471603 is about 7514.7590114388. The cubic root of 56471603 is about 383.6572167967.

The spelling of 56471603 in words is "fifty-six million, four hundred seventy-one thousand, six hundred three".