51427292 has 12 divisors (see below), whose sum is σ = 102854640. Its totient is φ = 22040256.

The previous prime is 51427289. The next prime is 51427301. The reversal of 51427292 is 29272415.

51427292 is an admirable 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, 918317 + ... + 918372.

It is an arithmetic number, because the mean of its divisors is an integer number (8571220).

Almost surely, 2^51427292 is an apocalyptic number.

It is an amenable number.

51427292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51427292 is a wasteful number, since it uses less digits than its factorization.

51427292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836700 (or 1836698 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 51427292 is about 7171.2824515563. The cubic root of 51427292 is about 371.8757726792.

The spelling of 51427292 in words is "fifty-one million, four hundred twenty-seven thousand, two hundred ninety-two".