53742191 has 16 divisors (see below), whose sum is σ = 58449600. Its totient is φ = 49260288.

The previous prime is 53742181. The next prime is 53742193. The reversal of 53742191 is 19124735.

53742191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53742191 - 2¹⁴ = 53725807 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 (53742193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131195 + ... + 131603.

It is an arithmetic number, because the mean of its divisors is an integer number (3653100).

Almost surely, 2^53742191 is an apocalyptic number.

53742191 is a deficient number, since it is larger than the sum of its proper divisors (4707409).

53742191 is a wasteful number, since it uses less digits than its factorization.

53742191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658.

The product of its digits is 7560, while the sum is 32.

The square root of 53742191 is about 7330.9065605831. The cubic root of 53742191 is about 377.3738385190.

The spelling of 53742191 in words is "fifty-three million, seven hundred forty-two thousand, one hundred ninety-one".