55469159 has 4 divisors (see below), whose sum is σ = 56041104. Its totient is φ = 54897216.

The previous prime is 55469143. The next prime is 55469171. The reversal of 55469159 is 95196455.

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

It is a cyclic number.

It is not a de Polignac number, because 55469159 - 2⁴ = 55469143 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 (55469059) 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, 285827 + ... + 286020.

It is an arithmetic number, because the mean of its divisors is an integer number (14010276).

Almost surely, 2^55469159 is an apocalyptic number.

55469159 is a deficient number, since it is larger than the sum of its proper divisors (571945).

55469159 is an equidigital number, since it uses as much as digits as its factorization.

55469159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571944.

The product of its digits is 243000, while the sum is 44.

The square root of 55469159 is about 7447.7620128465. The cubic root of 55469159 is about 381.3735128257.

The spelling of 55469159 in words is "fifty-five million, four hundred sixty-nine thousand, one hundred fifty-nine".