53873739 has 12 divisors (see below), whose sum is σ = 79921296. Its totient is φ = 34944912.

The previous prime is 53873717. The next prime is 53873741. The reversal of 53873739 is 93737835.

It is not a de Polignac number, because 53873739 - 2¹⁵ = 53840971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53873694 and 53873703.

It is not an unprimeable number, because it can be changed into a prime (53873779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80559 + ... + 81224.

It is an arithmetic number, because the mean of its divisors is an integer number (6660108).

Almost surely, 2^53873739 is an apocalyptic number.

53873739 is a deficient number, since it is larger than the sum of its proper divisors (26047557).

53873739 is a wasteful number, since it uses less digits than its factorization.

53873739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161826 (or 161823 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 53873739 is about 7339.8732277881. The cubic root of 53873739 is about 377.6814945290.

The spelling of 53873739 in words is "fifty-three million, eight hundred seventy-three thousand, seven hundred thirty-nine".