51320576 has 36 divisors (see below), whose sum is σ = 102931752. Its totient is φ = 25537536.

The previous prime is 51320527. The next prime is 51320597. The reversal of 51320576 is 67502315.

It is a super-3 number, since 3×51320576³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78266 + ... + 78918.

Almost surely, 2^51320576 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 51320576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51465876).

51320576 is an abundant number, since it is smaller than the sum of its proper divisors (51611176).

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

51320576 is an equidigital number, since it uses as much as digits as its factorization.

51320576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 51320576 is about 7163.8380774554. The cubic root of 51320576 is about 371.6183699456.

The spelling of 51320576 in words is "fifty-one million, three hundred twenty thousand, five hundred seventy-six".