55526431583 has 8 divisors (see below), whose sum is σ = 64112993952. Its totient is φ = 47103422976.

The previous prime is 55526431567. The next prime is 55526431589. The reversal of 55526431583 is 38513462555.

It is a happy number.

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 55526431583 - 2⁴ = 55526431567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55526431589) 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, 40887710 + ... + 40889067.

It is an arithmetic number, because the mean of its divisors is an integer number (8014124244).

Almost surely, 2^55526431583 is an apocalyptic number.

55526431583 is a deficient number, since it is larger than the sum of its proper divisors (8586562369).

55526431583 is an equidigital number, since it uses as much as digits as its factorization.

55526431583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81776881.

The product of its digits is 2160000, while the sum is 47.

The spelling of 55526431583 in words is "fifty-five billion, five hundred twenty-six million, four hundred thirty-one thousand, five hundred eighty-three".