54155311664532 has 24 divisors (see below), whose sum is σ = 136082578029216. Its totient is φ = 16663172819808.

The previous prime is 54155311664507. The next prime is 54155311664591. The reversal of 54155311664532 is 23546611355145.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173574716718 + ... + 173574717029.

It is an arithmetic number, because the mean of its divisors is an integer number (5670107417884).

Almost surely, 2^{54155311664532} is an apocalyptic number.

54155311664532 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

54155311664532 is an abundant number, since it is smaller than the sum of its proper divisors (81927266364684).

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

54155311664532 is a wasteful number, since it uses less digits than its factorization.

54155311664532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347149433767 (or 347149433765 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 51.

The spelling of 54155311664532 in words is "fifty-four trillion, one hundred fifty-five billion, three hundred eleven million, six hundred sixty-four thousand, five hundred thirty-two".