51672364 has 12 divisors (see below), whose sum is σ = 92350944. Its totient is φ = 25286384.

The previous prime is 51672359. The next prime is 51672371. The reversal of 51672364 is 46327615.

It is a happy 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, 137239 + ... + 137614.

It is an arithmetic number, because the mean of its divisors is an integer number (7695912).

Almost surely, 2^51672364 is an apocalyptic number.

It is an amenable number.

51672364 is a deficient number, since it is larger than the sum of its proper divisors (40678580).

51672364 is a wasteful number, since it uses less digits than its factorization.

51672364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274904 (or 274902 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 51672364 is about 7188.3491846181. The cubic root of 51672364 is about 372.4655500174.

Adding to 51672364 its reverse (46327615), we get a palindrome (97999979).

The spelling of 51672364 in words is "fifty-one million, six hundred seventy-two thousand, three hundred sixty-four".