51334536 has 64 divisors (see below), whose sum is σ = 140662080. Its totient is φ = 15482880.

The previous prime is 51334513. The next prime is 51334559. The reversal of 51334536 is 63543315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51334513) and next prime (51334559).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88680 + ... + 89256.

It is an arithmetic number, because the mean of its divisors is an integer number (2197845).

Almost surely, 2^51334536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51334536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70331040).

51334536 is an abundant number, since it is smaller than the sum of its proper divisors (89327544).

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

51334536 is a wasteful number, since it uses less digits than its factorization.

51334536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 930 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

The square root of 51334536 is about 7164.8123492524. The cubic root of 51334536 is about 371.6520622287.

It can be divided in two parts, 5133 and 4536, that added together give a palindrome (9669).

The spelling of 51334536 in words is "fifty-one million, three hundred thirty-four thousand, five hundred thirty-six".