51914992 has 20 divisors (see below), whose sum is σ = 105879880. Its totient is φ = 24591168.

The previous prime is 51914977. The next prime is 51914999. The reversal of 51914992 is 29941915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51914999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85083 + ... + 85690.

It is an arithmetic number, because the mean of its divisors is an integer number (5293994).

Almost surely, 2^51914992 is an apocalyptic number.

It is an amenable number.

51914992 is an abundant number, since it is smaller than the sum of its proper divisors (53964888).

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

51914992 is a wasteful number, since it uses less digits than its factorization.

51914992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170800 (or 170794 counting only the distinct ones).

The product of its digits is 29160, while the sum is 40.

The square root of 51914992 is about 7205.2058957396. The cubic root of 51914992 is about 373.0476116009.

The spelling of 51914992 in words is "fifty-one million, nine hundred fourteen thousand, nine hundred ninety-two".