53952491 has 4 divisors (see below), whose sum is σ = 54867000. Its totient is φ = 53037984.

The previous prime is 53952469. The next prime is 53952517. The reversal of 53952491 is 19425935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19425935 = 5 ⋅3885187.

It is a cyclic number.

It is not a de Polignac number, because 53952491 - 2¹⁴ = 53936107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53952421) 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 3 ways as a sum of consecutive naturals, for example, 457166 + ... + 457283.

It is an arithmetic number, because the mean of its divisors is an integer number (13716750).

Almost surely, 2^53952491 is an apocalyptic number.

53952491 is a deficient number, since it is larger than the sum of its proper divisors (914509).

53952491 is an equidigital number, since it uses as much as digits as its factorization.

53952491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914508.

The product of its digits is 48600, while the sum is 38.

The square root of 53952491 is about 7345.2359390288. The cubic root of 53952491 is about 377.8654350575.

The spelling of 53952491 in words is "fifty-three million, nine hundred fifty-two thousand, four hundred ninety-one".