51823934 has 4 divisors (see below), whose sum is σ = 77735904. Its totient is φ = 25911966.

The previous prime is 51823931. The next prime is 51823969. The reversal of 51823934 is 43932815.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 51823894 and 51823903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51823931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12955982 + ... + 12955985.

It is an arithmetic number, because the mean of its divisors is an integer number (19433976).

Almost surely, 2^51823934 is an apocalyptic number.

51823934 is a deficient number, since it is larger than the sum of its proper divisors (25911970).

51823934 is a wasteful number, since it uses less digits than its factorization.

51823934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25911969.

The product of its digits is 25920, while the sum is 35.

The square root of 51823934 is about 7198.8842190995. The cubic root of 51823934 is about 372.8293776007.

The spelling of 51823934 in words is "fifty-one million, eight hundred twenty-three thousand, nine hundred thirty-four".