55231972337 has 8 divisors (see below), whose sum is σ = 57045610752. Its totient is φ = 53420331600.

The previous prime is 55231972321. The next prime is 55231972363. The reversal of 55231972337 is 73327913255.

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 55231972337 - 2⁴ = 55231972321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55231972291 and 55231972300.

It is not an unprimeable number, because it can be changed into a prime (55231972307) 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 7 ways as a sum of consecutive naturals, for example, 443114 + ... + 553907.

It is an arithmetic number, because the mean of its divisors is an integer number (7130701344).

Almost surely, 2^55231972337 is an apocalyptic number.

It is an amenable number.

55231972337 is a deficient number, since it is larger than the sum of its proper divisors (1813638415).

55231972337 is a wasteful number, since it uses less digits than its factorization.

55231972337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998839.

The product of its digits is 1190700, while the sum is 47.

The spelling of 55231972337 in words is "fifty-five billion, two hundred thirty-one million, nine hundred seventy-two thousand, three hundred thirty-seven".