56493450 has 240 divisors, whose sum is σ = 179597880. Its totient is φ = 13063680.

The previous prime is 56493433. The next prime is 56493491. The reversal of 56493450 is 5439465.

It is a happy number.

56493450 is a `hidden beast` number, since 5 + 649 + 3 + 4 + 5 + 0 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 4782969 + 51710481 = 2187^2 + 7191^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1526832 + ... + 1526868.

Almost surely, 2^56493450 is an apocalyptic number.

56493450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56493450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89798940).

56493450 is an abundant number, since it is smaller than the sum of its proper divisors (123104430).

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

56493450 is a wasteful number, since it uses less digits than its factorization.

56493450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 56493450 is about 7516.2124770392. The cubic root of 56493450 is about 383.7066851910.

The spelling of 56493450 in words is "fifty-six million, four hundred ninety-three thousand, four hundred fifty".