24553139 has 8 divisors (see below), whose sum is σ = 26531232. Its totient is φ = 22587840.

The previous prime is 24553127. The next prime is 24553153. The reversal of 24553139 is 93135542.

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 24553139 - 2¹² = 24549043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (24553439) 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, 1007 + ... + 7079.

It is an arithmetic number, because the mean of its divisors is an integer number (3316404).

Almost surely, 2^24553139 is an apocalyptic number.

24553139 is a deficient number, since it is larger than the sum of its proper divisors (1978093).

24553139 is a wasteful number, since it uses less digits than its factorization.

24553139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397.

The product of its digits is 16200, while the sum is 32.

The square root of 24553139 is about 4955.1124104303. The cubic root of 24553139 is about 290.6491167253.

The spelling of 24553139 in words is "twenty-four million, five hundred fifty-three thousand, one hundred thirty-nine".