53280055780 has 24 divisors (see below), whose sum is σ = 127872134208. Its totient is φ = 18267447648.

The previous prime is 53280055733. The next prime is 53280055819. The reversal of 53280055780 is 8755008235.

It is a super-2 number, since 2×53280055780² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190285774 + ... + 190286053.

It is an arithmetic number, because the mean of its divisors is an integer number (5328005592).

Almost surely, 2^53280055780 is an apocalyptic number.

It is an amenable number.

53280055780 is an abundant number, since it is smaller than the sum of its proper divisors (74592078428).

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

53280055780 is a wasteful number, since it uses less digits than its factorization.

53280055780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380571843 (or 380571841 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 53280055780 in words is "fifty-three billion, two hundred eighty million, fifty-five thousand, seven hundred eighty".