5405578285 has 4 divisors (see below), whose sum is σ = 6486693948. Its totient is φ = 4324462624.

The previous prime is 5405578253. The next prime is 5405578303. The reversal of 5405578285 is 5828755045.

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

It can be written as a sum of positive squares in 2 ways, for example, as 892157161 + 4513421124 = 29869^2 + 67182^2 .

It is a cyclic number.

It is not a de Polignac number, because 5405578285 - 2⁵ = 5405578253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 540557824 + ... + 540557833.

It is an arithmetic number, because the mean of its divisors is an integer number (1621673487).

Almost surely, 2^5405578285 is an apocalyptic number.

It is an amenable number.

5405578285 is a deficient number, since it is larger than the sum of its proper divisors (1081115663).

5405578285 is a wasteful number, since it uses less digits than its factorization.

5405578285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081115662.

The product of its (nonzero) digits is 2240000, while the sum is 49.

The square root of 5405578285 is about 73522.6379083341. The cubic root of 5405578285 is about 1755.0145462982.

The spelling of 5405578285 in words is "five billion, four hundred five million, five hundred seventy-eight thousand, two hundred eighty-five".