51214192 has 20 divisors (see below), whose sum is σ = 103542480. Its totient is φ = 24493568.

The previous prime is 51214181. The next prime is 51214211. The reversal of 51214192 is 29141215.

It is a happy number.

It is a congruent 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, 69217 + ... + 69952.

It is an arithmetic number, because the mean of its divisors is an integer number (5177124).

Almost surely, 2^51214192 is an apocalyptic number.

It is an amenable number.

51214192 is an abundant number, since it is smaller than the sum of its proper divisors (52328288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51214192 is a wasteful number, since it uses less digits than its factorization.

51214192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139200 (or 139194 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 51214192 is about 7156.4091554354. The cubic root of 51214192 is about 371.3614125970.

The spelling of 51214192 in words is "fifty-one million, two hundred fourteen thousand, one hundred ninety-two".