51233016 has 16 divisors (see below), whose sum is σ = 128082600. Its totient is φ = 17077664.

The previous prime is 51233011. The next prime is 51233023. The reversal of 51233016 is 61033215.

It is a junction number, because it is equal to n+sod(n) for n = 51232983 and 51233001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51233011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067331 + ... + 1067378.

Almost surely, 2^51233016 is an apocalyptic number.

It is an amenable number.

51233016 is an abundant number, since it is smaller than the sum of its proper divisors (76849584).

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

51233016 is a wasteful number, since it uses less digits than its factorization.

51233016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134718 (or 2134714 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 51233016 is about 7157.7242193312. The cubic root of 51233016 is about 371.4069055269.

The spelling of 51233016 in words is "fifty-one million, two hundred thirty-three thousand, sixteen".