53553542231 has 4 divisors (see below), whose sum is σ = 61204048272. Its totient is φ = 45903036192.

The previous prime is 53553542219. The next prime is 53553542269. The reversal of 53553542231 is 13224535535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53553542231 - 2¹⁴ = 53553525847 is a prime.

It is a super-2 number, since 2×53553542231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53553548231) 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, 3825253010 + ... + 3825253023.

It is an arithmetic number, because the mean of its divisors is an integer number (15301012068).

Almost surely, 2^53553542231 is an apocalyptic number.

53553542231 is a deficient number, since it is larger than the sum of its proper divisors (7650506041).

53553542231 is an equidigital number, since it uses as much as digits as its factorization.

53553542231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7650506040.

The product of its digits is 270000, while the sum is 38.

The spelling of 53553542231 in words is "fifty-three billion, five hundred fifty-three million, five hundred forty-two thousand, two hundred thirty-one".