53851992 has 16 divisors (see below), whose sum is σ = 134630040. Its totient is φ = 17950656.

The previous prime is 53851981. The next prime is 53851997. The reversal of 53851992 is 29915835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53851997) 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, 1121893 + ... + 1121940.

Almost surely, 2^53851992 is an apocalyptic number.

It is an amenable number.

53851992 is an abundant number, since it is smaller than the sum of its proper divisors (80778048).

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

53851992 is a wasteful number, since it uses less digits than its factorization.

53851992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243842 (or 2243838 counting only the distinct ones).

The product of its digits is 97200, while the sum is 42.

The square root of 53851992 is about 7338.3916494011. The cubic root of 53851992 is about 377.6306686225.

The spelling of 53851992 in words is "fifty-three million, eight hundred fifty-one thousand, nine hundred ninety-two".