56173338 has 96 divisors (see below), whose sum is σ = 144196416. Its totient is φ = 16236288.

The previous prime is 56173309. The next prime is 56173339. The reversal of 56173338 is 83337165.

56173338 is a `hidden beast` number, since 5 + 617 + 3 + 3 + 38 = 666.

It is not an unprimeable number, because it can be changed into a prime (56173339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107145 + ... + 107667.

It is an arithmetic number, because the mean of its divisors is an integer number (1502046).

Almost surely, 2^56173338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56173338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72098208).

56173338 is an abundant number, since it is smaller than the sum of its proper divisors (88023078).

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

56173338 is a wasteful number, since it uses less digits than its factorization.

56173338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 558 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 56173338 is about 7494.8874574606. The cubic root of 56173338 is about 382.9805724272.

The spelling of 56173338 in words is "fifty-six million, one hundred seventy-three thousand, three hundred thirty-eight".