51903652 has 24 divisors (see below), whose sum is σ = 96447456. Its totient is φ = 24355968.

The previous prime is 51903647. The next prime is 51903653. The reversal of 51903652 is 25630915.

It is not an unprimeable number, because it can be changed into a prime (51903653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29263 + ... + 30985.

It is an arithmetic number, because the mean of its divisors is an integer number (4018644).

Almost surely, 2^51903652 is an apocalyptic number.

It is an amenable number.

51903652 is a deficient number, since it is larger than the sum of its proper divisors (44543804).

51903652 is a wasteful number, since it uses less digits than its factorization.

51903652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 51903652 is about 7204.4189217452. The cubic root of 51903652 is about 373.0204475274.

The spelling of 51903652 in words is "fifty-one million, nine hundred three thousand, six hundred fifty-two".