55442050072471 has 4 divisors (see below), whose sum is σ = 55535544255312. Its totient is φ = 55348555889632.

The previous prime is 55442050072403. The next prime is 55442050072517. The reversal of 55442050072471 is 17427005024455.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55442050072471 - 2²¹ = 55442047975319 is a prime.

It is a super-3 number, since 3×55442050072471³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55442050073471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46747090531 + ... + 46747091716.

It is an arithmetic number, because the mean of its divisors is an integer number (13883886063828).

Almost surely, 2^{55442050072471} is an apocalyptic number.

55442050072471 is a deficient number, since it is larger than the sum of its proper divisors (93494182841).

55442050072471 is an equidigital number, since it uses as much as digits as its factorization.

55442050072471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93494182840.

The product of its (nonzero) digits is 1568000, while the sum is 46.

The spelling of 55442050072471 in words is "fifty-five trillion, four hundred forty-two billion, fifty million, seventy-two thousand, four hundred seventy-one".