53927391 has 12 divisors (see below), whose sum is σ = 83642712. Its totient is φ = 30815568.

The previous prime is 53927353. The next prime is 53927399. The reversal of 53927391 is 19372935.

It is not a de Polignac number, because 53927391 - 2⁹ = 53926879 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53927399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183280 + ... + 183573.

It is an arithmetic number, because the mean of its divisors is an integer number (6970226).

Almost surely, 2^53927391 is an apocalyptic number.

53927391 is a deficient number, since it is larger than the sum of its proper divisors (29715321).

53927391 is a wasteful number, since it uses less digits than its factorization.

53927391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366870 (or 366863 counting only the distinct ones).

The product of its digits is 51030, while the sum is 39.

The square root of 53927391 is about 7343.5271498102. The cubic root of 53927391 is about 377.8068285970.

The spelling of 53927391 in words is "fifty-three million, nine hundred twenty-seven thousand, three hundred ninety-one".