55029959 has 4 divisors (see below), whose sum is σ = 55047600. Its totient is φ = 55012320.

The previous prime is 55029937. The next prime is 55029977. The reversal of 55029959 is 95992055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55029959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55029059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2747 + ... + 10844.

It is an arithmetic number, because the mean of its divisors is an integer number (13761900).

Almost surely, 2^55029959 is an apocalyptic number.

55029959 is a deficient number, since it is larger than the sum of its proper divisors (17641).

55029959 is a wasteful number, since it uses less digits than its factorization.

55029959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17640.

The product of its (nonzero) digits is 182250, while the sum is 44.

The square root of 55029959 is about 7418.2180474828. The cubic root of 55029959 is about 380.3642836351.

The spelling of 55029959 in words is "fifty-five million, twenty-nine thousand, nine hundred fifty-nine".