51533134 has 8 divisors (see below), whose sum is σ = 77332680. Its totient is φ = 25755576.

The previous prime is 51533113. The next prime is 51533143. The reversal of 51533134 is 43133515.

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

It is a junction number, because it is equal to n+sod(n) for n = 51533099 and 51533108.

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, 2977 + ... + 10579.

It is an arithmetic number, because the mean of its divisors is an integer number (9666585).

Almost surely, 2^51533134 is an apocalyptic number.

51533134 is a deficient number, since it is larger than the sum of its proper divisors (25799546).

51533134 is a wasteful number, since it uses less digits than its factorization.

51533134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10994.

The product of its digits is 2700, while the sum is 25.

The square root of 51533134 is about 7178.6582311738. The cubic root of 51533134 is about 372.1307158079.

Adding to 51533134 its reverse (43133515), we get a palindrome (94666649).

The spelling of 51533134 in words is "fifty-one million, five hundred thirty-three thousand, one hundred thirty-four".