6139553 has 12 divisors (see below), whose sum is σ = 7214832. Its totient is φ = 5208840.

The previous prime is 6139547. The next prime is 6139559. The reversal of 6139553 is 3559316.

It is an interprime number because it is at equal distance from previous prime (6139547) and next prime (6139559).

It is not a de Polignac number, because 6139553 - 2⁸ = 6139297 is a prime.

It is a super-2 number, since 2×6139553² = 75388222079618, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6139559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4658 + ... + 5828.

It is an arithmetic number, because the mean of its divisors is an integer number (601236).

Almost surely, 2^6139553 is an apocalyptic number.

It is an amenable number.

6139553 is a deficient number, since it is larger than the sum of its proper divisors (1075279).

6139553 is a wasteful number, since it uses less digits than its factorization.

6139553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 1285 counting only the distinct ones).

The product of its digits is 12150, while the sum is 32.

The square root of 6139553 is about 2477.8121397717. The cubic root of 6139553 is about 183.1100793910.

The spelling of 6139553 in words is "six million, one hundred thirty-nine thousand, five hundred fifty-three".