51898232 has 8 divisors (see below), whose sum is σ = 97309200. Its totient is φ = 25949112.

The previous prime is 51898219. The next prime is 51898241. The reversal of 51898232 is 23289815.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3243632 + ... + 3243647.

It is an arithmetic number, because the mean of its divisors is an integer number (12163650).

Almost surely, 2^51898232 is an apocalyptic number.

It is an amenable number.

51898232 is a deficient number, since it is larger than the sum of its proper divisors (45410968).

51898232 is a wasteful number, since it uses less digits than its factorization.

51898232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6487285 (or 6487281 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 51898232 is about 7204.0427538987. The cubic root of 51898232 is about 373.0074629485.

The spelling of 51898232 in words is "fifty-one million, eight hundred ninety-eight thousand, two hundred thirty-two".