53900491 has 2 divisors, whose sum is σ = 53900492. Its totient is φ = 53900490.

The previous prime is 53900471. The next prime is 53900513. The reversal of 53900491 is 19400935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53900491 - 2⁵ = 53900459 is a prime.

It is not a weakly prime, because it can be changed into another prime (53900401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26950245 + 26950246.

It is an arithmetic number, because the mean of its divisors is an integer number (26950246).

Almost surely, 2^53900491 is an apocalyptic number.

53900491 is a deficient number, since it is larger than the sum of its proper divisors (1).

53900491 is an equidigital number, since it uses as much as digits as its factorization.

53900491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 53900491 is about 7341.6953764100. The cubic root of 53900491 is about 377.7439990912.

The spelling of 53900491 in words is "fifty-three million, nine hundred thousand, four hundred ninety-one".