51903360 has 96 divisors (see below), whose sum is σ = 179248680. Its totient is φ = 13839360.

The previous prime is 51903353. The next prime is 51903367. The reversal of 51903360 is 6330915.

It is an interprime number because it is at equal distance from previous prime (51903353) and next prime (51903367).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51903367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1255 + ... + 10265.

Almost surely, 2^51903360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51903360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89624340).

51903360 is an abundant number, since it is smaller than the sum of its proper divisors (127345320).

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

51903360 is a wasteful number, since it uses less digits than its factorization.

51903360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9036 (or 9021 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 51903360 is about 7204.3986563765. The cubic root of 51903360 is about 373.0197480123.

The spelling of 51903360 in words is "fifty-one million, nine hundred three thousand, three hundred sixty".