15053939 has 4 divisors (see below), whose sum is σ = 15062256. Its totient is φ = 15045624.

The previous prime is 15053921. The next prime is 15053953. The reversal of 15053939 is 93935051.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93935051 = 7 ⋅13419293.

It is a cyclic number.

It is not a de Polignac number, because 15053939 - 2¹⁶ = 14988403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15053899 and 15053908.

It is not an unprimeable number, because it can be changed into a prime (15055939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164 + ... + 5489.

It is an arithmetic number, because the mean of its divisors is an integer number (3765564).

Almost surely, 2^15053939 is an apocalyptic number.

15053939 is a deficient number, since it is larger than the sum of its proper divisors (8317).

15053939 is an equidigital number, since it uses as much as digits as its factorization.

15053939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8316.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 15053939 is about 3879.9405923287. The cubic root of 15053939 is about 246.9164649467.

The spelling of 15053939 in words is "fifteen million, fifty-three thousand, nine hundred thirty-nine".