51000276 has 12 divisors (see below), whose sum is σ = 119000672. Its totient is φ = 17000088.

The previous prime is 51000233. The next prime is 51000343. The reversal of 51000276 is 67200015.

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

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct 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, 2125000 + ... + 2125023.

Almost surely, 2^51000276 is an apocalyptic number.

It is an amenable number.

51000276 is an abundant number, since it is smaller than the sum of its proper divisors (68000396).

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

51000276 is a wasteful number, since it uses less digits than its factorization.

51000276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250030 (or 4250028 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 51000276 is about 7141.4477523819. The cubic root of 51000276 is about 370.8436458971.

The spelling of 51000276 in words is "fifty-one million, two hundred seventy-six", and thus it is an aban number.