53813547 has 6 divisors (see below), whose sum is σ = 77730692. Its totient is φ = 35875692.

The previous prime is 53813509. The next prime is 53813549. The reversal of 53813547 is 74531835.

It is not a de Polignac number, because 53813547 - 2¹⁶ = 53748011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53813549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2989633 + ... + 2989650.

Almost surely, 2^53813547 is an apocalyptic number.

53813547 is a deficient number, since it is larger than the sum of its proper divisors (23917145).

53813547 is a wasteful number, since it uses less digits than its factorization.

53813547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5979289 (or 5979286 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 53813547 is about 7335.7717385426. The cubic root of 53813547 is about 377.5407835709.

The spelling of 53813547 in words is "fifty-three million, eight hundred thirteen thousand, five hundred forty-seven".