51594496 has 54 divisors (see below), whose sum is σ = 106405530. Its totient is φ = 24966144.

The previous prime is 51594449. The next prime is 51594511. The reversal of 51594496 is 69449515.

It can be written as a sum of positive squares in only one way, i.e., 47334400 + 4260096 = 6880^2 + 2064^2 .

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 473290 + ... + 473398.

Almost surely, 2^51594496 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 51594496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53202765).

51594496 is an abundant number, since it is smaller than the sum of its proper divisors (54811034).

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

51594496 is an equidigital number, since it uses as much as digits as its factorization.

51594496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 154 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The square root of 51594496 is about 7182.9308781305. The cubic root of 51594496 is about 372.2783595075.

The spelling of 51594496 in words is "fifty-one million, five hundred ninety-four thousand, four hundred ninety-six".