53749299173 has 4 divisors (see below), whose sum is σ = 56086225248. Its totient is φ = 51412373100.

The previous prime is 53749299167. The next prime is 53749299181. The reversal of 53749299173 is 37199294735.

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 53749299173 - 2⁸ = 53749298917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53749299133) 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, 1168463003 + ... + 1168463048.

It is an arithmetic number, because the mean of its divisors is an integer number (14021556312).

Almost surely, 2^53749299173 is an apocalyptic number.

It is an amenable number.

53749299173 is a deficient number, since it is larger than the sum of its proper divisors (2336926075).

53749299173 is a wasteful number, since it uses less digits than its factorization.

53749299173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336926074.

The product of its digits is 12859560, while the sum is 59.

The spelling of 53749299173 in words is "fifty-three billion, seven hundred forty-nine million, two hundred ninety-nine thousand, one hundred seventy-three".