55239107 has 16 divisors (see below), whose sum is σ = 69199872. Its totient is φ = 42837120.

The previous prime is 55239101. The next prime is 55239139. The reversal of 55239107 is 70193255.

55239107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55239107 - 2⁶ = 55239043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55239101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15563 + ... + 18779.

It is an arithmetic number, because the mean of its divisors is an integer number (4324992).

Almost surely, 2^55239107 is an apocalyptic number.

55239107 is a deficient number, since it is larger than the sum of its proper divisors (13960765).

55239107 is a wasteful number, since it uses less digits than its factorization.

55239107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 55239107 is about 7432.3015950646. The cubic root of 55239107 is about 380.8455479018.

The spelling of 55239107 in words is "fifty-five million, two hundred thirty-nine thousand, one hundred seven".