5139555 has 32 divisors (see below), whose sum is σ = 8624448. Its totient is φ = 2611200.

The previous prime is 5139551. The next prime is 5139581. The reversal of 5139555 is 5559315.

5139555 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5139555 - 2² = 5139551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5139551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37447 + ... + 37583.

It is an arithmetic number, because the mean of its divisors is an integer number (269514).

Almost surely, 2^5139555 is an apocalyptic number.

5139555 is a deficient number, since it is larger than the sum of its proper divisors (3484893).

5139555 is a wasteful number, since it uses less digits than its factorization.

5139555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247.

The product of its digits is 16875, while the sum is 33.

The square root of 5139555 is about 2267.0586670838. The cubic root of 5139555 is about 172.5739233677.

The spelling of 5139555 in words is "five million, one hundred thirty-nine thousand, five hundred fifty-five".