51869258 has 8 divisors (see below), whose sum is σ = 88918752. Its totient is φ = 22229676.

The previous prime is 51869249. The next prime is 51869281. The reversal of 51869258 is 85296815.

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

It is a Curzon 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, 1852460 + ... + 1852487.

It is an arithmetic number, because the mean of its divisors is an integer number (11114844).

Almost surely, 2^51869258 is an apocalyptic number.

51869258 is a deficient number, since it is larger than the sum of its proper divisors (37049494).

51869258 is a wasteful number, since it uses less digits than its factorization.

51869258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704956.

The product of its digits is 172800, while the sum is 44.

The square root of 51869258 is about 7202.0315189535. The cubic root of 51869258 is about 372.9380352136.

The spelling of 51869258 in words is "fifty-one million, eight hundred sixty-nine thousand, two hundred fifty-eight".