51283233 has 16 divisors (see below), whose sum is σ = 76127040. Its totient is φ = 34120512.

The previous prime is 51283217. The next prime is 51283241. The reversal of 51283233 is 33238215.

It is not a de Polignac number, because 51283233 - 2⁴ = 51283217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 51283197 and 51283206.

It is not an unprimeable number, because it can be changed into a prime (51283733) 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, 14410 + ... + 17612.

It is an arithmetic number, because the mean of its divisors is an integer number (4757940).

Almost surely, 2^51283233 is an apocalyptic number.

It is an amenable number.

51283233 is a deficient number, since it is larger than the sum of its proper divisors (24843807).

51283233 is a wasteful number, since it uses less digits than its factorization.

51283233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805 (or 3799 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 51283233 is about 7161.2312488845. The cubic root of 51283233 is about 371.5282130460.

The spelling of 51283233 in words is "fifty-one million, two hundred eighty-three thousand, two hundred thirty-three".