51337533 has 8 divisors (see below), whose sum is σ = 73715488. Its totient is φ = 31592304.

The previous prime is 51337523. The next prime is 51337543. The reversal of 51337533 is 33573315.

It is an interprime number because it is at equal distance from previous prime (51337523) and next prime (51337543).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51337533 - 2⁸ = 51337277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51337533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51337513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658135 + ... + 658212.

It is an arithmetic number, because the mean of its divisors is an integer number (9214436).

Almost surely, 2^51337533 is an apocalyptic number.

It is an amenable number.

51337533 is a deficient number, since it is larger than the sum of its proper divisors (22377955).

51337533 is a wasteful number, since it uses less digits than its factorization.

51337533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316363.

The product of its digits is 14175, while the sum is 30.

The square root of 51337533 is about 7165.0214933383. The cubic root of 51337533 is about 371.6592946538.

The spelling of 51337533 in words is "fifty-one million, three hundred thirty-seven thousand, five hundred thirty-three".