51332534 has 8 divisors (see below), whose sum is σ = 83998728. Its totient is φ = 23332960.

The previous prime is 51332513. The next prime is 51332551. The reversal of 51332534 is 43523315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51332534² = 5270058093722312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166627 + ... + 1166670.

It is an arithmetic number, because the mean of its divisors is an integer number (10499841).

Almost surely, 2^51332534 is an apocalyptic number.

51332534 is a deficient number, since it is larger than the sum of its proper divisors (32666194).

51332534 is a wasteful number, since it uses less digits than its factorization.

51332534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333310.

The product of its digits is 5400, while the sum is 26.

The square root of 51332534 is about 7164.6726373227. The cubic root of 51332534 is about 371.6472308023.

Adding to 51332534 its reverse (43523315), we get a palindrome (94855849).

It can be divided in two parts, 5133 and 2534, that added together give a palindrome (7667).

The spelling of 51332534 in words is "fifty-one million, three hundred thirty-two thousand, five hundred thirty-four".