53755511800 has 48 divisors (see below), whose sum is σ = 125609706000. Its totient is φ = 21394137600.

The previous prime is 53755511779. The next prime is 53755511837. The reversal of 53755511800 is 811555735.

It is a Harshad number since it is a multiple of its sum of digits (40).

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 11 ways as a sum of consecutive naturals, for example, 635521 + ... + 715120.

It is an arithmetic number, because the mean of its divisors is an integer number (2616868875).

Almost surely, 2^53755511800 is an apocalyptic number.

53755511800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53755511800 is an abundant number, since it is smaller than the sum of its proper divisors (71854194200).

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

53755511800 is a wasteful number, since it uses less digits than its factorization.

53755511800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350856 (or 1350847 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 40.

The spelling of 53755511800 in words is "fifty-three billion, seven hundred fifty-five million, five hundred eleven thousand, eight hundred".