53730939 has 16 divisors (see below), whose sum is σ = 74488320. Its totient is φ = 34409760.

The previous prime is 53730913. The next prime is 53730947. The reversal of 53730939 is 93903735.

It is a happy number.

It is not a de Polignac number, because 53730939 - 2⁵ = 53730907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53730897 and 53730906.

It is not an unprimeable number, because it can be changed into a prime (53730959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16894 + ... + 19820.

It is an arithmetic number, because the mean of its divisors is an integer number (4655520).

Almost surely, 2^53730939 is an apocalyptic number.

53730939 is a deficient number, since it is larger than the sum of its proper divisors (20757381).

53730939 is a wasteful number, since it uses less digits than its factorization.

53730939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170.

The product of its (nonzero) digits is 76545, while the sum is 39.

The square root of 53730939 is about 7330.1390846286. The cubic root of 53730939 is about 377.3474997664.

The spelling of 53730939 in words is "fifty-three million, seven hundred thirty thousand, nine hundred thirty-nine".