51143258 has 8 divisors (see below), whose sum is σ = 77021280. Its totient is φ = 25469500.

The previous prime is 51143233. The next prime is 51143291. The reversal of 51143258 is 85234115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51143258.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50438 + ... + 51441.

It is an arithmetic number, because the mean of its divisors is an integer number (9627660).

Almost surely, 2^51143258 is an apocalyptic number.

51143258 is a deficient number, since it is larger than the sum of its proper divisors (25878022).

51143258 is a wasteful number, since it uses less digits than its factorization.

51143258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102132.

The product of its digits is 4800, while the sum is 29.

The square root of 51143258 is about 7151.4514610672. The cubic root of 51143258 is about 371.1898825290.

The spelling of 51143258 in words is "fifty-one million, one hundred forty-three thousand, two hundred fifty-eight".