51733396 has 48 divisors (see below), whose sum is σ = 107251200. Its totient is φ = 21525120.

The previous prime is 51733393. The next prime is 51733399. The reversal of 51733396 is 69333715.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51733393) and next prime (51733399).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51733391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84925 + ... + 85531.

It is an arithmetic number, because the mean of its divisors is an integer number (2234400).

Almost surely, 2^51733396 is an apocalyptic number.

It is an amenable number.

51733396 is an abundant number, since it is smaller than the sum of its proper divisors (55517804).

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

51733396 is a wasteful number, since it uses less digits than its factorization.

51733396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 782 counting only the distinct ones).

The product of its digits is 51030, while the sum is 37.

The square root of 51733396 is about 7192.5931346073. The cubic root of 51733396 is about 372.6121362618.

The spelling of 51733396 in words is "fifty-one million, seven hundred thirty-three thousand, three hundred ninety-six".