53100780 has 48 divisors (see below), whose sum is σ = 149775360. Its totient is φ = 14056128.

The previous prime is 53100779. The next prime is 53100791. The reversal of 53100780 is 8700135.

It is a self number, because there is not a number n which added to its sum of digits gives 53100780.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5157 + ... + 11523.

It is an arithmetic number, because the mean of its divisors is an integer number (3120320).

Almost surely, 2^53100780 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 53100780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74887680).

53100780 is an abundant number, since it is smaller than the sum of its proper divisors (96674580).

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

53100780 is a wasteful number, since it uses less digits than its factorization.

53100780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518 (or 6516 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 53100780 is about 7287.0282008512. The cubic root of 53100780 is about 375.8665117663.

The spelling of 53100780 in words is "fifty-three million, one hundred thousand, seven hundred eighty".