51633276 has 12 divisors (see below), whose sum is σ = 120477672. Its totient is φ = 17211088.

The previous prime is 51633269. The next prime is 51633287. The reversal of 51633276 is 67233615.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 2151375 + ... + 2151398.

It is an arithmetic number, because the mean of its divisors is an integer number (10039806).

Almost surely, 2^51633276 is an apocalyptic number.

It is an amenable number.

51633276 is an abundant number, since it is smaller than the sum of its proper divisors (68844396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51633276 is a wasteful number, since it uses less digits than its factorization.

51633276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302780 (or 4302778 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 51633276 is about 7185.6298262574. The cubic root of 51633276 is about 372.3716080794.

The spelling of 51633276 in words is "fifty-one million, six hundred thirty-three thousand, two hundred seventy-six".