51140892 has 36 divisors (see below), whose sum is σ = 131166728. Its totient is φ = 15496800.

The previous prime is 51140863. The next prime is 51140927. The reversal of 51140892 is 29804115.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16159 + ... + 19062.

Almost surely, 2^51140892 is an apocalyptic number.

It is an amenable number.

51140892 is an abundant number, since it is smaller than the sum of its proper divisors (80025836).

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

51140892 is a wasteful number, since it uses less digits than its factorization.

51140892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35250 (or 35237 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 51140892 is about 7151.2860381892. The cubic root of 51140892 is about 371.1841584196.

The spelling of 51140892 in words is "fifty-one million, one hundred forty thousand, eight hundred ninety-two".