55061863 has 4 divisors (see below), whose sum is σ = 56233440. Its totient is φ = 53890288.

The previous prime is 55061857. The next prime is 55061869. The reversal of 55061863 is 36816055.

55061863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (55061857) and next prime (55061869).

It is a cyclic number.

It is not a de Polignac number, because 55061863 - 2¹³ = 55053671 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 (55061869) 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 3 ways as a sum of consecutive naturals, for example, 585718 + ... + 585811.

It is an arithmetic number, because the mean of its divisors is an integer number (14058360).

Almost surely, 2^55061863 is an apocalyptic number.

55061863 is a deficient number, since it is larger than the sum of its proper divisors (1171577).

55061863 is a wasteful number, since it uses less digits than its factorization.

55061863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171576.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 55061863 is about 7420.3681175532. The cubic root of 55061863 is about 380.4377757107.

The spelling of 55061863 in words is "fifty-five million, sixty-one thousand, eight hundred sixty-three".