56173446 has 64 divisors (see below), whose sum is σ = 143654400. Its totient is φ = 15938208.

The previous prime is 56173433. The next prime is 56173451. The reversal of 56173446 is 64437165.

It is a happy number.

56173446 is a `hidden beast` number, since 5 + 617 + 34 + 4 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56173446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64965 + ... + 65823.

It is an arithmetic number, because the mean of its divisors is an integer number (2244600).

Almost surely, 2^56173446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56173446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71827200).

56173446 is an abundant number, since it is smaller than the sum of its proper divisors (87480954).

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

56173446 is a wasteful number, since it uses less digits than its factorization.

56173446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1044 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 56173446 is about 7494.8946623685. The cubic root of 56173446 is about 382.9808178692.

The spelling of 56173446 in words is "fifty-six million, one hundred seventy-three thousand, four hundred forty-six".