55642343304416 has 72 divisors (see below), whose sum is σ = 120597768309312. Its totient is φ = 25252516044800.

The previous prime is 55642343304391. The next prime is 55642343304439. The reversal of 55642343304416 is 61440334324655.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8727440 + ... + 13691343.

It is an arithmetic number, because the mean of its divisors is an integer number (1674969004296).

Almost surely, 2^{55642343304416} is an apocalyptic number.

It is an amenable number.

55642343304416 is an abundant number, since it is smaller than the sum of its proper divisors (64955425004896).

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

55642343304416 is a wasteful number, since it uses less digits than its factorization.

55642343304416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22419456 (or 22419437 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 50.

The spelling of 55642343304416 in words is "fifty-five trillion, six hundred forty-two billion, three hundred forty-three million, three hundred four thousand, four hundred sixteen".