51367932 has 240 divisors, whose sum is σ = 175633920. Its totient is φ = 12700800.

The previous prime is 51367919. The next prime is 51367949. The reversal of 51367932 is 23976315.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 723457 + ... + 723527.

It is an arithmetic number, because the mean of its divisors is an integer number (731808).

Almost surely, 2^51367932 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 51367932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87816960).

51367932 is an abundant number, since it is smaller than the sum of its proper divisors (124265988).

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

51367932 is a wasteful number, since it uses less digits than its factorization.

51367932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 123 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 51367932 is about 7167.1425268373. The cubic root of 51367932 is about 371.7326382744.

The spelling of 51367932 in words is "fifty-one million, three hundred sixty-seven thousand, nine hundred thirty-two".