53650399 has 8 divisors (see below), whose sum is σ = 58722048. Its totient is φ = 48611160.

The previous prime is 53650381. The next prime is 53650423. The reversal of 53650399 is 99305635.

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 53650399 - 2⁷ = 53650271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53650339) 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, 4567 + ... + 11320.

It is an arithmetic number, because the mean of its divisors is an integer number (7340256).

Almost surely, 2^53650399 is an apocalyptic number.

53650399 is a deficient number, since it is larger than the sum of its proper divisors (5071649).

53650399 is a wasteful number, since it uses less digits than its factorization.

53650399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16205.

The product of its (nonzero) digits is 109350, while the sum is 40.

The square root of 53650399 is about 7324.6432677640. The cubic root of 53650399 is about 377.1588637837.

The spelling of 53650399 in words is "fifty-three million, six hundred fifty thousand, three hundred ninety-nine".