53391361 has 8 divisors (see below), whose sum is σ = 54648000. Its totient is φ = 52148880.

The previous prime is 53391347. The next prime is 53391383. The reversal of 53391361 is 16319335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53391361 - 2¹¹ = 53389313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53391341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4290 + ... + 11188.

It is an arithmetic number, because the mean of its divisors is an integer number (6831000).

Almost surely, 2^53391361 is an apocalyptic number.

It is an amenable number.

53391361 is a deficient number, since it is larger than the sum of its proper divisors (1256639).

53391361 is a wasteful number, since it uses less digits than its factorization.

53391361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7079.

The product of its digits is 7290, while the sum is 31.

The square root of 53391361 is about 7306.9392360961. The cubic root of 53391361 is about 376.5508773844.

The spelling of 53391361 in words is "fifty-three million, three hundred ninety-one thousand, three hundred sixty-one".