51229080 has 192 divisors, whose sum is σ = 197121600. Its totient is φ = 11289600.

The previous prime is 51229069. The next prime is 51229093. The reversal of 51229080 is 8092215.

It is a super-3 number, since 3×51229080³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72730 + ... + 73430.

It is an arithmetic number, because the mean of its divisors is an integer number (1026675).

Almost surely, 2^51229080 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 51229080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98560800).

51229080 is an abundant number, since it is smaller than the sum of its proper divisors (145892520).

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

51229080 is a wasteful number, since it uses less digits than its factorization.

51229080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 51229080 is about 7157.4492663239. The cubic root of 51229080 is about 371.3973941146.

It can be divided in two parts, 512 and 29080, that added together give a palindrome (29592).

The spelling of 51229080 in words is "fifty-one million, two hundred twenty-nine thousand, eighty".