55329589 has 8 divisors (see below), whose sum is σ = 63288000. Its totient is φ = 47384736.

The previous prime is 55329587. The next prime is 55329601. The reversal of 55329589 is 98592355.

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

It is not a de Polignac number, because 55329589 - 2¹ = 55329587 is a prime.

It is a super-2 number, since 2×55329589² = 6122726837817842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55329581) 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, 7857 + ... + 13129.

It is an arithmetic number, because the mean of its divisors is an integer number (7911000).

Almost surely, 2^55329589 is an apocalyptic number.

It is an amenable number.

55329589 is a deficient number, since it is larger than the sum of its proper divisors (7958411).

55329589 is a wasteful number, since it uses less digits than its factorization.

55329589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779.

The product of its digits is 486000, while the sum is 46.

The square root of 55329589 is about 7438.3861824995. The cubic root of 55329589 is about 381.0533769248.

The spelling of 55329589 in words is "fifty-five million, three hundred twenty-nine thousand, five hundred eighty-nine".