53553113491 has 8 divisors (see below), whose sum is σ = 53685102240. Its totient is φ = 53421171072.

The previous prime is 53553113447. The next prime is 53553113501. The reversal of 53553113491 is 19431135535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53553113491 - 2¹⁷ = 53552982419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53553113401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3809211 + ... + 3823243.

It is an arithmetic number, because the mean of its divisors is an integer number (6710637780).

Almost surely, 2^53553113491 is an apocalyptic number.

53553113491 is a deficient number, since it is larger than the sum of its proper divisors (131988749).

53553113491 is a wasteful number, since it uses less digits than its factorization.

53553113491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23165.

The product of its digits is 121500, while the sum is 40.

The spelling of 53553113491 in words is "fifty-three billion, five hundred fifty-three million, one hundred thirteen thousand, four hundred ninety-one".