53864147 has 4 divisors (see below), whose sum is σ = 54089760. Its totient is φ = 53638536.

The previous prime is 53864131. The next prime is 53864191. The reversal of 53864147 is 74146835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53864147 - 2⁴ = 53864131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53864147.

It is not an unprimeable number, because it can be changed into a prime (53864117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112448 + ... + 112925.

It is an arithmetic number, because the mean of its divisors is an integer number (13522440).

Almost surely, 2^53864147 is an apocalyptic number.

53864147 is a deficient number, since it is larger than the sum of its proper divisors (225613).

53864147 is a wasteful number, since it uses less digits than its factorization.

53864147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225612.

The product of its digits is 80640, while the sum is 38.

The square root of 53864147 is about 7339.2197814209. The cubic root of 53864147 is about 377.6590783142.

The spelling of 53864147 in words is "fifty-three million, eight hundred sixty-four thousand, one hundred forty-seven".