51013376 has 36 divisors (see below), whose sum is σ = 103017600. Its totient is φ = 25208832.

The previous prime is 51013357. The next prime is 51013393. The reversal of 51013376 is 67331015.

It is a happy number.

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, 21665 + ... + 23903.

It is an arithmetic number, because the mean of its divisors is an integer number (2861600).

Almost surely, 2^51013376 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 51013376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51508800).

51013376 is an abundant number, since it is smaller than the sum of its proper divisors (52004224).

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

51013376 is an equidigital number, since it uses as much as digits as its factorization.

51013376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344 (or 2330 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 51013376 is about 7142.3648744656. The cubic root of 51013376 is about 370.8753949793.

The spelling of 51013376 in words is "fifty-one million, thirteen thousand, three hundred seventy-six".