51846492 has 24 divisors (see below), whose sum is σ = 122152576. Its totient is φ = 17113968.

The previous prime is 51846469. The next prime is 51846503. The reversal of 51846492 is 29464815.

It is a self number, because there is not a number n which added to its sum of digits gives 51846492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19738 + ... + 22209.

Almost surely, 2^51846492 is an apocalyptic number.

It is an amenable number.

51846492 is an abundant number, since it is smaller than the sum of its proper divisors (70306084).

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

51846492 is a wasteful number, since it uses less digits than its factorization.

51846492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42057 (or 42055 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 51846492 is about 7200.4508192196. The cubic root of 51846492 is about 372.8834649980.

The spelling of 51846492 in words is "fifty-one million, eight hundred forty-six thousand, four hundred ninety-two".