52741891 has 4 divisors (see below), whose sum is σ = 55517800. Its totient is φ = 49965984.

The previous prime is 52741883. The next prime is 52741919. The reversal of 52741891 is 19814725.

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 52741891 - 2³ = 52741883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52741891.

It is not an unprimeable number, because it can be changed into a prime (52741831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387926 + ... + 1387963.

It is an arithmetic number, because the mean of its divisors is an integer number (13879450).

Almost surely, 2^52741891 is an apocalyptic number.

52741891 is a deficient number, since it is larger than the sum of its proper divisors (2775909).

52741891 is a wasteful number, since it uses less digits than its factorization.

52741891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775908.

The product of its digits is 20160, while the sum is 37.

The square root of 52741891 is about 7262.3612551291. The cubic root of 52741891 is about 375.0178148574.

The spelling of 52741891 in words is "fifty-two million, seven hundred forty-one thousand, eight hundred ninety-one".