55905063 has 8 divisors (see below), whose sum is σ = 74713968. Its totient is φ = 37183104.

The previous prime is 55905023. The next prime is 55905067. The reversal of 55905063 is 36050955.

55905063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55905063 - 2⁶ = 55904999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55905067) 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 7 ways as a sum of consecutive naturals, for example, 20220 + ... + 22817.

It is an arithmetic number, because the mean of its divisors is an integer number (9339246).

Almost surely, 2^55905063 is an apocalyptic number.

55905063 is a deficient number, since it is larger than the sum of its proper divisors (18808905).

55905063 is a wasteful number, since it uses less digits than its factorization.

55905063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43473.

The product of its (nonzero) digits is 20250, while the sum is 33.

The square root of 55905063 is about 7476.9688377042. The cubic root of 55905063 is about 382.3699143267.

The spelling of 55905063 in words is "fifty-five million, nine hundred five thousand, sixty-three".