51071292 has 36 divisors (see below), whose sum is σ = 129545416. Its totient is φ = 16964640.

The previous prime is 51071287. The next prime is 51071303. The reversal of 51071292 is 29217015.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8742 + ... + 13362.

Almost surely, 2^51071292 is an apocalyptic number.

It is an amenable number.

51071292 is an abundant number, since it is smaller than the sum of its proper divisors (78474124).

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

51071292 is a wasteful number, since it uses less digits than its factorization.

51071292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4938 (or 4933 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 51071292 is about 7146.4181237876. The cubic root of 51071292 is about 371.0156947563.

The spelling of 51071292 in words is "fifty-one million, seventy-one thousand, two hundred ninety-two".