53893447 has 2 divisors, whose sum is σ = 53893448. Its totient is φ = 53893446.

The previous prime is 53893403. The next prime is 53893453. The reversal of 53893447 is 74439835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53893447 - 2¹⁵ = 53860679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53893457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26946723 + 26946724.

It is an arithmetic number, because the mean of its divisors is an integer number (26946724).

Almost surely, 2^53893447 is an apocalyptic number.

53893447 is a deficient number, since it is larger than the sum of its proper divisors (1).

53893447 is an equidigital number, since it uses as much as digits as its factorization.

53893447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 53893447 is about 7341.2156350294. The cubic root of 53893447 is about 377.7275431826.

It can be divided in two parts, 5389 and 3447, that added together give a square (8836 = 94²).

The spelling of 53893447 in words is "fifty-three million, eight hundred ninety-three thousand, four hundred forty-seven".