51488376 has 64 divisors (see below), whose sum is σ = 137803680. Its totient is φ = 15974400.

The previous prime is 51488363. The next prime is 51488389. The reversal of 51488376 is 67388415.

It is an interprime number because it is at equal distance from previous prime (51488363) and next prime (51488389).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38926 + ... + 40226.

Almost surely, 2^51488376 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 51488376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68901840).

51488376 is an abundant number, since it is smaller than the sum of its proper divisors (86315304).

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

51488376 is a wasteful number, since it uses less digits than its factorization.

51488376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424 (or 1420 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 51488376 is about 7175.5401190433. The cubic root of 51488376 is about 372.0229492143.

The spelling of 51488376 in words is "fifty-one million, four hundred eighty-eight thousand, three hundred seventy-six".