51828133 has 12 divisors (see below), whose sum is σ = 62370540. Its totient is φ = 42891072.

The previous prime is 51828109. The next prime is 51828149. The reversal of 51828133 is 33182815.

It can be written as a sum of positive squares in 2 ways, for example, as 23600164 + 28227969 = 4858^2 + 5313^2 .

It is not a de Polignac number, because 51828133 - 2²¹ = 49730981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51828095 and 51828104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51828163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16816 + ... + 19657.

It is an arithmetic number, because the mean of its divisors is an integer number (5197545).

Almost surely, 2^51828133 is an apocalyptic number.

It is an amenable number.

51828133 is a deficient number, since it is larger than the sum of its proper divisors (10542407).

51828133 is a wasteful number, since it uses less digits than its factorization.

51828133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36516 (or 36509 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 51828133 is about 7199.1758556101. The cubic root of 51828133 is about 372.8394467468.

The spelling of 51828133 in words is "fifty-one million, eight hundred twenty-eight thousand, one hundred thirty-three".