5406001855 has 16 divisors (see below), whose sum is σ = 6638539680. Its totient is φ = 4224624768.

The previous prime is 5406001849. The next prime is 5406001879. The reversal of 5406001855 is 5581006045.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5406001855 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5406001855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16144 + ... + 105226.

It is an arithmetic number, because the mean of its divisors is an integer number (414908730).

Almost surely, 2^5406001855 is an apocalyptic number.

5406001855 is a deficient number, since it is larger than the sum of its proper divisors (1232537825).

5406001855 is a wasteful number, since it uses less digits than its factorization.

5406001855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89370.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 5406001855 is about 73525.5183932762. The cubic root of 5406001855 is about 1755.0603848780.

The spelling of 5406001855 in words is "five billion, four hundred six million, one thousand, eight hundred fifty-five".