51853080 has 128 divisors (see below), whose sum is σ = 164229120. Its totient is φ = 13079040.

The previous prime is 51853031. The next prime is 51853099. The reversal of 51853080 is 8035815.

It is a happy number.

51853080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197029 + ... + 197291.

It is an arithmetic number, because the mean of its divisors is an integer number (1283040).

Almost surely, 2^51853080 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 51853080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82114560).

51853080 is an abundant number, since it is smaller than the sum of its proper divisors (112376040).

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

51853080 is a wasteful number, since it uses less digits than its factorization.

51853080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 51853080 is about 7200.9082760441. The cubic root of 51853080 is about 372.8992581091.

Adding to 51853080 its reverse (8035815), we get a palindrome (59888895).

The spelling of 51853080 in words is "fifty-one million, eight hundred fifty-three thousand, eighty".