53546421405216 has 48 divisors (see below), whose sum is σ = 143987633179488. Its totient is φ = 17413470374400.

The previous prime is 53546421405187. The next prime is 53546421405233. The reversal of 53546421405216 is 61250412464535.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6802132930 + ... + 6802140801.

It is an arithmetic number, because the mean of its divisors is an integer number (2999742357906).

Almost surely, 2^{53546421405216} is an apocalyptic number.

It is an amenable number.

53546421405216 is an abundant number, since it is smaller than the sum of its proper divisors (90441211774272).

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

53546421405216 is a wasteful number, since it uses less digits than its factorization.

53546421405216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604273785 (or 13604273777 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 53546421405216 in words is "fifty-three trillion, five hundred forty-six billion, four hundred twenty-one million, four hundred five thousand, two hundred sixteen".