53939137 has 4 divisors (see below), whose sum is σ = 61644736. Its totient is φ = 46233540.

The previous prime is 53939131. The next prime is 53939141. The reversal of 53939137 is 73193935.

53939137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53939137 - 2⁷ = 53939009 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 53939137.

It is not an unprimeable number, because it can be changed into a prime (53939131) 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 3 ways as a sum of consecutive naturals, for example, 3852789 + ... + 3852802.

It is an arithmetic number, because the mean of its divisors is an integer number (15411184).

Almost surely, 2^53939137 is an apocalyptic number.

It is an amenable number.

53939137 is a deficient number, since it is larger than the sum of its proper divisors (7705599).

53939137 is an equidigital number, since it uses as much as digits as its factorization.

53939137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7705598.

The product of its digits is 76545, while the sum is 40.

The square root of 53939137 is about 7344.3268581947. The cubic root of 53939137 is about 377.8342568159.

The spelling of 53939137 in words is "fifty-three million, nine hundred thirty-nine thousand, one hundred thirty-seven".