51073032 has 64 divisors (see below), whose sum is σ = 136252800. Its totient is φ = 15897600.

The previous prime is 51073013. The next prime is 51073051. The reversal of 51073032 is 23037015.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51073013) and next prime (51073051).

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, 61194 + ... + 62022.

It is an arithmetic number, because the mean of its divisors is an integer number (2128950).

Almost surely, 2^51073032 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 51073032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68126400).

51073032 is an abundant number, since it is smaller than the sum of its proper divisors (85179768).

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

51073032 is a wasteful number, since it uses less digits than its factorization.

51073032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 51073032 is about 7146.5398620591. The cubic root of 51073032 is about 371.0199082126.

The spelling of 51073032 in words is "fifty-one million, seventy-three thousand, thirty-two".