51900260 has 48 divisors (see below), whose sum is σ = 112613760. Its totient is φ = 20079360.

The previous prime is 51900257. The next prime is 51900263. The reversal of 51900260 is 6200915.

It is an interprime number because it is at equal distance from previous prime (51900257) and next prime (51900263).

It is not an unprimeable number, because it can be changed into a prime (51900263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136751 + ... + 137129.

It is an arithmetic number, because the mean of its divisors is an integer number (2346120).

Almost surely, 2^51900260 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 51900260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56306880).

51900260 is an abundant number, since it is smaller than the sum of its proper divisors (60713500).

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

51900260 is a wasteful number, since it uses less digits than its factorization.

51900260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 51900260 is about 7204.1835068244. The cubic root of 51900260 is about 373.0123214909.

The spelling of 51900260 in words is "fifty-one million, nine hundred thousand, two hundred sixty".