53515646088 has 32 divisors (see below), whose sum is σ = 140830648800. Its totient is φ = 16899677568.

The previous prime is 53515646071. The next prime is 53515646089. The reversal of 53515646088 is 88064651535.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 53515646088.

It is not an unprimeable number, because it can be changed into a prime (53515646089) by changing a digit.

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, 58678981 + ... + 58679892.

It is an arithmetic number, because the mean of its divisors is an integer number (4400957775).

Almost surely, 2^53515646088 is an apocalyptic number.

It is an amenable number.

53515646088 is an abundant number, since it is smaller than the sum of its proper divisors (87315002712).

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

53515646088 is a wasteful number, since it uses less digits than its factorization.

53515646088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117358901 (or 117358897 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 53515646088 in words is "fifty-three billion, five hundred fifteen million, six hundred forty-six thousand, eighty-eight".