53405485899 has 16 divisors (see below), whose sum is σ = 71804928000. Its totient is φ = 35305139520.

The previous prime is 53405485883. The next prime is 53405485933. The reversal of 53405485899 is 99858450435.

It is not a de Polignac number, because 53405485899 - 2⁴ = 53405485883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53405485699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726559 + ... + 796679.

It is an arithmetic number, because the mean of its divisors is an integer number (4487808000).

Almost surely, 2^53405485899 is an apocalyptic number.

53405485899 is a deficient number, since it is larger than the sum of its proper divisors (18399442101).

53405485899 is a wasteful number, since it uses less digits than its factorization.

53405485899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72250.

The product of its (nonzero) digits is 31104000, while the sum is 60.

The spelling of 53405485899 in words is "fifty-three billion, four hundred five million, four hundred eighty-five thousand, eight hundred ninety-nine".