53433705906 has 36 divisors (see below), whose sum is σ = 134674750782. Its totient is φ = 15266772864.

The previous prime is 53433705883. The next prime is 53433705931. The reversal of 53433705906 is 60950733435.

53433705906 is a `hidden beast` number, since 53 + 4 + 3 + 3 + 7 + 0 + 590 + 6 = 666.

53433705906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 50688469881 + 2745236025 = 225141^2 + 52395^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30290335 + ... + 30292098.

Almost surely, 2^53433705906 is an apocalyptic number.

53433705906 is an abundant number, since it is smaller than the sum of its proper divisors (81241044876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53433705906 is a wasteful number, since it uses less digits than its factorization.

53433705906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60582455 (or 60582445 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 45.

The spelling of 53433705906 in words is "fifty-three billion, four hundred thirty-three million, seven hundred five thousand, nine hundred six".