56473140 has 48 divisors (see below), whose sum is σ = 159707520. Its totient is φ = 14908800.

The previous prime is 56473127. The next prime is 56473177. The reversal of 56473140 is 4137465.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 56473098 and 56473107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1401 + ... + 10719.

It is an arithmetic number, because the mean of its divisors is an integer number (3327240).

Almost surely, 2^56473140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56473140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79853760).

56473140 is an abundant number, since it is smaller than the sum of its proper divisors (103234380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56473140 is a wasteful number, since it uses less digits than its factorization.

56473140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9432 (or 9430 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 56473140 is about 7514.8612761647. The cubic root of 56473140 is about 383.6606974593.

The spelling of 56473140 in words is "fifty-six million, four hundred seventy-three thousand, one hundred forty".