56423471 has 4 divisors (see below), whose sum is σ = 60763752. Its totient is φ = 52083192.

The previous prime is 56423467. The next prime is 56423489. The reversal of 56423471 is 17432465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56423471 - 2² = 56423467 is a prime.

It is a super-3 number, since 3×56423471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56423401) 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, 2170121 + ... + 2170146.

It is an arithmetic number, because the mean of its divisors is an integer number (15190938).

Almost surely, 2^56423471 is an apocalyptic number.

56423471 is a deficient number, since it is larger than the sum of its proper divisors (4340281).

56423471 is a wasteful number, since it uses less digits than its factorization.

56423471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340280.

The product of its digits is 20160, while the sum is 32.

The square root of 56423471 is about 7511.5558308516. Note that the first 3 decimals coincide. The cubic root of 56423471 is about 383.5481859620.

The spelling of 56423471 in words is "fifty-six million, four hundred twenty-three thousand, four hundred seventy-one".