55203132187 has 8 divisors (see below), whose sum is σ = 63116193536. Its totient is φ = 47296795752.

The previous prime is 55203132181. The next prime is 55203132191. The reversal of 55203132187 is 78123130255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55203132187 - 2¹⁹ = 55202607899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55203132181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1663623 + ... + 1696480.

It is an arithmetic number, because the mean of its divisors is an integer number (7889524192).

Almost surely, 2^55203132187 is an apocalyptic number.

55203132187 is a deficient number, since it is larger than the sum of its proper divisors (7913061349).

55203132187 is a wasteful number, since it uses less digits than its factorization.

55203132187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362457.

The product of its (nonzero) digits is 50400, while the sum is 37.

It can be divided in two parts, 5520313 and 2187, that added together give a square (5522500 = 2350²).

The spelling of 55203132187 in words is "fifty-five billion, two hundred three million, one hundred thirty-two thousand, one hundred eighty-seven".