53213407518 has 8 divisors (see below), whose sum is σ = 106426815048. Its totient is φ = 17737802504.

The previous prime is 53213407501. The next prime is 53213407519. The reversal of 53213407518 is 81570431235.

It is a happy number.

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

53213407518 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53213407519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4434450621 + ... + 4434450632.

It is an arithmetic number, because the mean of its divisors is an integer number (13303351881).

Almost surely, 2^53213407518 is an apocalyptic number.

53213407518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53213407518 is a wasteful number, since it uses less digits than its factorization.

53213407518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8868901258.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 53213407518 in words is "fifty-three billion, two hundred thirteen million, four hundred seven thousand, five hundred eighteen".