53681188 has 12 divisors (see below), whose sum is σ = 102482352. Its totient is φ = 24400520.

The previous prime is 53681179. The next prime is 53681219. The reversal of 53681188 is 88118635.

It is a self number, because there is not a number n which added to its sum of digits gives 53681188.

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 3 ways as a sum of consecutive naturals, for example, 609970 + ... + 610057.

It is an arithmetic number, because the mean of its divisors is an integer number (8540196).

Almost surely, 2^53681188 is an apocalyptic number.

It is an amenable number.

53681188 is a deficient number, since it is larger than the sum of its proper divisors (48801164).

53681188 is a wasteful number, since it uses less digits than its factorization.

53681188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220042 (or 1220040 counting only the distinct ones).

The product of its digits is 46080, while the sum is 40.

The square root of 53681188 is about 7326.7447068941. The cubic root of 53681188 is about 377.2309982183.

It can be divided in two parts, 5368 and 1188, that added together give a palindrome (6556).

The spelling of 53681188 in words is "fifty-three million, six hundred eighty-one thousand, one hundred eighty-eight".