53213543401 has 4 divisors (see below), whose sum is σ = 53219176192. Its totient is φ = 53207910612.

The previous prime is 53213543393. The next prime is 53213543477. The reversal of 53213543401 is 10434531235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53213543401 - 2³ = 53213543393 is a prime.

It is a super-2 number, since 2×53213543401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53213543101) 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, 2802201 + ... + 2821126.

It is an arithmetic number, because the mean of its divisors is an integer number (13304794048).

Almost surely, 2^53213543401 is an apocalyptic number.

It is an amenable number.

53213543401 is a deficient number, since it is larger than the sum of its proper divisors (5632791).

53213543401 is an equidigital number, since it uses as much as digits as its factorization.

53213543401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5632790.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 53213543401 in words is "fifty-three billion, two hundred thirteen million, five hundred forty-three thousand, four hundred one".