51634364 has 12 divisors (see below), whose sum is σ = 90588288. Its totient is φ = 25752000.

The previous prime is 51634339. The next prime is 51634391. The reversal of 51634364 is 46343615.

51634364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51634364² = 5332215091368992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51634364.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14492 + ... + 17699.

It is an arithmetic number, because the mean of its divisors is an integer number (7549024).

Almost surely, 2^51634364 is an apocalyptic number.

It is an amenable number.

51634364 is a deficient number, since it is larger than the sum of its proper divisors (38953924).

51634364 is a wasteful number, since it uses less digits than its factorization.

51634364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32596 (or 32594 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 51634364 is about 7185.7055325138. The cubic root of 51634364 is about 372.3742235598.

Adding to 51634364 its reverse (46343615), we get a palindrome (97977979).

The spelling of 51634364 in words is "fifty-one million, six hundred thirty-four thousand, three hundred sixty-four".