51894898 has 8 divisors (see below), whose sum is σ = 84918960. Its totient is φ = 23588580.

The previous prime is 51894881. The next prime is 51894907. The reversal of 51894898 is 89849815.

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

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, 1179408 + ... + 1179451.

It is an arithmetic number, because the mean of its divisors is an integer number (10614870).

Almost surely, 2^51894898 is an apocalyptic number.

51894898 is a deficient number, since it is larger than the sum of its proper divisors (33024062).

51894898 is a wasteful number, since it uses less digits than its factorization.

51894898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358872.

The product of its digits is 829440, while the sum is 52.

The square root of 51894898 is about 7203.8113523329. The cubic root of 51894898 is about 372.9994753064. Note that the first 3 decimals are identical.

The spelling of 51894898 in words is "fifty-one million, eight hundred ninety-four thousand, eight hundred ninety-eight".