51853532 has 12 divisors (see below), whose sum is σ = 90809040. Its totient is φ = 25908096.

The previous prime is 51853531. The next prime is 51853559. The reversal of 51853532 is 23535815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51853531) 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, 2969 + ... + 10607.

It is an arithmetic number, because the mean of its divisors is an integer number (7567420).

Almost surely, 2^51853532 is an apocalyptic number.

It is an amenable number.

51853532 is a deficient number, since it is larger than the sum of its proper divisors (38955508).

51853532 is a wasteful number, since it uses less digits than its factorization.

51853532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9340 (or 9338 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 51853532 is about 7200.9396609054. The cubic root of 51853532 is about 372.9003416190.

The spelling of 51853532 in words is "fifty-one million, eight hundred fifty-three thousand, five hundred thirty-two".