51883230 has 64 divisors (see below), whose sum is σ = 143700480. Its totient is φ = 11743104.

The previous prime is 51883211. The next prime is 51883231. The reversal of 51883230 is 3238815.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51883231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21316 + ... + 23624.

It is an arithmetic number, because the mean of its divisors is an integer number (2245320).

Almost surely, 2^51883230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51883230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71850240).

51883230 is an abundant number, since it is smaller than the sum of its proper divisors (91817250).

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

51883230 is a wasteful number, since it uses less digits than its factorization.

51883230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 51883230 is about 7203.0014577258. The cubic root of 51883230 is about 372.9715182607.

The spelling of 51883230 in words is "fifty-one million, eight hundred eighty-three thousand, two hundred thirty".