51584337 has 16 divisors (see below), whose sum is σ = 87338880. Its totient is φ = 29476656.

The previous prime is 51584329. The next prime is 51584339. The reversal of 51584337 is 73348515.

It is not a de Polignac number, because 51584337 - 2³ = 51584329 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51584339) 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, 136278 + ... + 136655.

It is an arithmetic number, because the mean of its divisors is an integer number (5458680).

Almost surely, 2^51584337 is an apocalyptic number.

It is an amenable number.

51584337 is a deficient number, since it is larger than the sum of its proper divisors (35754543).

51584337 is a wasteful number, since it uses less digits than its factorization.

51584337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272949 (or 272943 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 51584337 is about 7182.2236807273. The cubic root of 51584337 is about 372.2539239288.

The spelling of 51584337 in words is "fifty-one million, five hundred eighty-four thousand, three hundred thirty-seven".