53305827780 has 48 divisors (see below), whose sum is σ = 149588812800. Its totient is φ = 14183221248.

The previous prime is 53305827779. The next prime is 53305827791. The reversal of 53305827780 is 8772850335.

It is a super-2 number, since 2×53305827780² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 962404 + ... + 1016283.

It is an arithmetic number, because the mean of its divisors is an integer number (3116433600).

Almost surely, 2^53305827780 is an apocalyptic number.

It is an amenable number.

53305827780 is an abundant number, since it is smaller than the sum of its proper divisors (96282985020).

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

53305827780 is a wasteful number, since it uses less digits than its factorization.

53305827780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979148 (or 1979146 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 53305827780 in words is "fifty-three billion, three hundred five million, eight hundred twenty-seven thousand, seven hundred eighty".