51143067 has 12 divisors (see below), whose sum is σ = 74606064. Its totient is φ = 33757200.

The previous prime is 51143063. The next prime is 51143069. The reversal of 51143067 is 76034115.

It is not a de Polignac number, because 51143067 - 2² = 51143063 is a prime.

It is a super-2 number, since 2×51143067² = 5231226604332978, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 51143067.

It is not an unprimeable number, because it can be changed into a prime (51143063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27223 + ... + 29040.

It is an arithmetic number, because the mean of its divisors is an integer number (6217172).

Almost surely, 2^51143067 is an apocalyptic number.

51143067 is a deficient number, since it is larger than the sum of its proper divisors (23462997).

51143067 is a wasteful number, since it uses less digits than its factorization.

51143067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56370 (or 56367 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 51143067 is about 7151.4381071222. The cubic root of 51143067 is about 371.1894204456.

The spelling of 51143067 in words is "fifty-one million, one hundred forty-three thousand, sixty-seven".