55999529 has 8 divisors (see below), whose sum is σ = 56558760. Its totient is φ = 55443456.

The previous prime is 55999511. The next prime is 55999561. The reversal of 55999529 is 92599955.

It can be written as a sum of positive squares in 4 ways, for example, as 6325225 + 49674304 = 2515^2 + 7048^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55999529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55999829) 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, 49037 + ... + 50165.

It is an arithmetic number, because the mean of its divisors is an integer number (7069845).

Almost surely, 2^55999529 is an apocalyptic number.

It is an amenable number.

55999529 is a deficient number, since it is larger than the sum of its proper divisors (559231).

55999529 is a wasteful number, since it uses less digits than its factorization.

55999529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579.

The product of its digits is 1640250, while the sum is 53.

The square root of 55999529 is about 7483.2833034705. The cubic root of 55999529 is about 382.5851639436.

The spelling of 55999529 in words is "fifty-five million, nine hundred ninety-nine thousand, five hundred twenty-nine".