55884487201 has 3 divisors (see below), whose sum is σ = 55884723601. Its totient is φ = 55884250802.

The previous prime is 55884487171. The next prime is 55884487237. The reversal of 55884487201 is 10278448855.

The square root of 55884487201 is 236399.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 55884487201 - 2²¹ = 55882390049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55884487261) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 118200 + ... + 354598.

Almost surely, 2^55884487201 is an apocalyptic number.

55884487201 is the 236399-th square number.

55884487201 is the 118200-th centered octagonal number.

It is an amenable number.

55884487201 is a deficient number, since it is larger than the sum of its proper divisors (236400).

55884487201 is an frugal number, since it uses more digits than its factorization.

55884487201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472798 (or 236399 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 52.

The spelling of 55884487201 in words is "fifty-five billion, eight hundred eighty-four million, four hundred eighty-seven thousand, two hundred one".