55642059 has 40 divisors (see below), whose sum is σ = 91423728. Its totient is φ = 33445440.

The previous prime is 55642057. The next prime is 55642063. The reversal of 55642059 is 95024655.

55642059 is a `hidden beast` number, since 5 + 5 + 642 + 0 + 5 + 9 = 666.

55642059 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55642059 - 2¹ = 55642057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55642057) 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 39 ways as a sum of consecutive naturals, for example, 175369 + ... + 175685.

Almost surely, 2^55642059 is an apocalyptic number.

55642059 is a deficient number, since it is larger than the sum of its proper divisors (35781669).

55642059 is a wasteful number, since it uses less digits than its factorization.

55642059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 528 counting only the distinct ones).

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

The square root of 55642059 is about 7459.3604953776. The cubic root of 55642059 is about 381.7693549344.

The spelling of 55642059 in words is "fifty-five million, six hundred forty-two thousand, fifty-nine".