51860732 has 48 divisors (see below), whose sum is σ = 113955072. Its totient is φ = 20062080.

The previous prime is 51860723. The next prime is 51860741. The reversal of 51860732 is 23706815.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51860723) and next prime (51860741).

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, 49688 + ... + 50720.

It is an arithmetic number, because the mean of its divisors is an integer number (2374064).

Almost surely, 2^51860732 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 51860732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56977536).

51860732 is an abundant number, since it is smaller than the sum of its proper divisors (62094340).

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

51860732 is a wasteful number, since it uses less digits than its factorization.

51860732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 51860732 is about 7201.4395783065. The cubic root of 51860732 is about 372.9176002196.

The spelling of 51860732 in words is "fifty-one million, eight hundred sixty thousand, seven hundred thirty-two".