55331901219 has 16 divisors (see below), whose sum is σ = 84319252992. Its totient is φ = 31616738688.

The previous prime is 55331901179. The next prime is 55331901239. The reversal of 55331901219 is 91210913355.

It is not a de Polignac number, because 55331901219 - 2¹⁵ = 55331868451 is a prime.

It is a super-2 number, since 2×55331901219² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55331901239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521467 + ... + 618539.

It is an arithmetic number, because the mean of its divisors is an integer number (5269953312).

Almost surely, 2^55331901219 is an apocalyptic number.

55331901219 is a deficient number, since it is larger than the sum of its proper divisors (28987351773).

55331901219 is a wasteful number, since it uses less digits than its factorization.

55331901219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124226.

The product of its (nonzero) digits is 36450, while the sum is 39.

The spelling of 55331901219 in words is "fifty-five billion, three hundred thirty-one million, nine hundred one thousand, two hundred nineteen".