53930139 has 8 divisors (see below), whose sum is σ = 71979600. Its totient is φ = 35917056.

The previous prime is 53930117. The next prime is 53930141. The reversal of 53930139 is 93103935.

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

It is not a de Polignac number, because 53930139 - 2⁷ = 53930011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53930159) 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, 5422 + ... + 11715.

It is an arithmetic number, because the mean of its divisors is an integer number (8997450).

Almost surely, 2^53930139 is an apocalyptic number.

53930139 is a deficient number, since it is larger than the sum of its proper divisors (18049461).

53930139 is a wasteful number, since it uses less digits than its factorization.

53930139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18189.

The product of its (nonzero) digits is 10935, while the sum is 33.

The square root of 53930139 is about 7343.7142509768. The cubic root of 53930139 is about 377.8132458401.

The spelling of 53930139 in words is "fifty-three million, nine hundred thirty thousand, one hundred thirty-nine".