51633272 has 8 divisors (see below), whose sum is σ = 96812400. Its totient is φ = 25816632.

The previous prime is 51633269. The next prime is 51633287. The reversal of 51633272 is 27233615.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3227072 + ... + 3227087.

It is an arithmetic number, because the mean of its divisors is an integer number (12101550).

Almost surely, 2^51633272 is an apocalyptic number.

It is an amenable number.

51633272 is a deficient number, since it is larger than the sum of its proper divisors (45179128).

51633272 is a wasteful number, since it uses less digits than its factorization.

51633272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454165 (or 6454161 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 51633272 is about 7185.6295479241. The cubic root of 51633272 is about 372.3715984636.

Adding to 51633272 its reverse (27233615), we get a palindrome (78866887).

The spelling of 51633272 in words is "fifty-one million, six hundred thirty-three thousand, two hundred seventy-two".