51895268 has 48 divisors (see below), whose sum is σ = 100154880. Its totient is φ = 23447424.

The previous prime is 51895243. The next prime is 51895301. The reversal of 51895268 is 86259815.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141221 + ... + 141587.

It is an arithmetic number, because the mean of its divisors is an integer number (2086560).

Almost surely, 2^51895268 is an apocalyptic number.

51895268 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

51895268 is a deficient number, since it is larger than the sum of its proper divisors (48259612).

51895268 is a wasteful number, since it uses less digits than its factorization.

51895268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 474 counting only the distinct ones).

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

The square root of 51895268 is about 7203.8370331373. The cubic root of 51895268 is about 373.0003617742. Note that the first 3 decimals are identical.

The spelling of 51895268 in words is "fifty-one million, eight hundred ninety-five thousand, two hundred sixty-eight".