55042659 has 24 divisors (see below), whose sum is σ = 94232320. Its totient is φ = 31451976.

The previous prime is 55042649. The next prime is 55042661. The reversal of 55042659 is 95624055.

55042659 is a `hidden beast` number, since 550 + 42 + 65 + 9 = 666.

It is not a de Polignac number, because 55042659 - 2⁹ = 55042147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55042649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14479 + ... + 17880.

Almost surely, 2^55042659 is an apocalyptic number.

55042659 is a deficient number, since it is larger than the sum of its proper divisors (39189661).

55042659 is an equidigital number, since it uses as much as digits as its factorization.

55042659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32381 (or 32369 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 55042659 is about 7419.0739988222. The cubic root of 55042659 is about 380.3935419696.

The spelling of 55042659 in words is "fifty-five million, forty-two thousand, six hundred fifty-nine".