5577639 has 16 divisors (see below), whose sum is σ = 7724640. Its totient is φ = 3576960.

The previous prime is 5577623. The next prime is 5577643. The reversal of 5577639 is 9367755.

It is not a de Polignac number, because 5577639 - 2⁴ = 5577623 is a prime.

It is a super-2 number, since 2×5577639² = 62220113628642, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5577639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5577619) 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 15 ways as a sum of consecutive naturals, for example, 11869 + ... + 12329.

It is an arithmetic number, because the mean of its divisors is an integer number (482790).

Almost surely, 2^5577639 is an apocalyptic number.

5577639 is a deficient number, since it is larger than the sum of its proper divisors (2147001).

5577639 is a wasteful number, since it uses less digits than its factorization.

5577639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its digits is 198450, while the sum is 42.

The square root of 5577639 is about 2361.7025638297. The cubic root of 5577639 is about 177.3441228886.

It can be divided in two parts, 5577 and 639, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 5577639 in words is "five million, five hundred seventy-seven thousand, six hundred thirty-nine".