51313534 has 8 divisors (see below), whose sum is σ = 78760440. Its totient is φ = 25060056.

The previous prime is 51313517. The next prime is 51313553. The reversal of 51313534 is 43531315.

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 = 51313499 and 51313508.

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, 298249 + ... + 298420.

It is an arithmetic number, because the mean of its divisors is an integer number (9845055).

Almost surely, 2^51313534 is an apocalyptic number.

51313534 is a deficient number, since it is larger than the sum of its proper divisors (27446906).

51313534 is a wasteful number, since it uses less digits than its factorization.

51313534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596714.

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

The square root of 51313534 is about 7163.3465642813. The cubic root of 51313534 is about 371.6013718494.

Adding to 51313534 its reverse (43531315), we get a palindrome (94844849).

The spelling of 51313534 in words is "fifty-one million, three hundred thirteen thousand, five hundred thirty-four".