55229559 has 32 divisors (see below), whose sum is σ = 93782016. Its totient is φ = 28074720.

The previous prime is 55229519. The next prime is 55229579. The reversal of 55229559 is 95592255.

It is not a de Polignac number, because 55229559 - 2⁹ = 55229047 is a prime.

It is a cake number, because a cake can be divided into 55229559 parts by 692 planar cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 55229559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55229519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8314 + ... + 13400.

It is an arithmetic number, because the mean of its divisors is an integer number (2930688).

Almost surely, 2^55229559 is an apocalyptic number.

55229559 is a deficient number, since it is larger than the sum of its proper divisors (38552457).

55229559 is a wasteful number, since it uses less digits than its factorization.

55229559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155.

The product of its digits is 202500, while the sum is 42.

The square root of 55229559 is about 7431.6592359984. The cubic root of 55229559 is about 380.8236037694.

The spelling of 55229559 in words is "fifty-five million, two hundred twenty-nine thousand, five hundred fifty-nine".