51923824 has 10 divisors (see below), whose sum is σ = 100602440. Its totient is φ = 25961904.

The previous prime is 51923821. The next prime is 51923843. The reversal of 51923824 is 42832915.

It is a self number, because there is not a number n which added to its sum of digits gives 51923824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51923821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622604 + ... + 1622635.

It is an arithmetic number, because the mean of its divisors is an integer number (10060244).

Almost surely, 2^51923824 is an apocalyptic number.

It is an amenable number.

51923824 is a deficient number, since it is larger than the sum of its proper divisors (48678616).

51923824 is a wasteful number, since it uses less digits than its factorization.

51923824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245247 (or 3245241 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 51923824 is about 7205.8187598634. The cubic root of 51923824 is about 373.0687652186.

Subtracting from 51923824 its reverse (42832915), we obtain a palindrome (9090909).

The spelling of 51923824 in words is "fifty-one million, nine hundred twenty-three thousand, eight hundred twenty-four".