51364332 has 36 divisors (see below), whose sum is σ = 130089960. Its totient is φ = 17088192.

The previous prime is 51364331. The next prime is 51364337. The reversal of 51364332 is 23346315.

It is a happy number.

51364332 is a `hidden beast` number, since 5 + 13 + 643 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 51364296 and 51364305.

It is not an unprimeable number, because it can be changed into a prime (51364331) 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, 23544 + ... + 25632.

It is an arithmetic number, because the mean of its divisors is an integer number (3613610).

Almost surely, 2^51364332 is an apocalyptic number.

It is an amenable number.

51364332 is an abundant number, since it is smaller than the sum of its proper divisors (78725628).

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

51364332 is a wasteful number, since it uses less digits than its factorization.

51364332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782 (or 2777 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 51364332 is about 7166.8913763221. The cubic root of 51364332 is about 371.7239540706.

The spelling of 51364332 in words is "fifty-one million, three hundred sixty-four thousand, three hundred thirty-two".