5503639 has 4 divisors (see below), whose sum is σ = 5652424. Its totient is φ = 5354856.

The previous prime is 5503621. The next prime is 5503657. The reversal of 5503639 is 9363055.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5503621) and next prime (5503657).

It is a cyclic number.

It is not a de Polignac number, because 5503639 - 2¹³ = 5495447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5503639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5503609) 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, 74337 + ... + 74410.

It is an arithmetic number, because the mean of its divisors is an integer number (1413106).

Almost surely, 2^5503639 is an apocalyptic number.

5503639 is a deficient number, since it is larger than the sum of its proper divisors (148785).

5503639 is a wasteful number, since it uses less digits than its factorization.

5503639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148784.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 5503639 is about 2345.9835890304. The cubic root of 5503639 is about 176.5563382975.

The spelling of 5503639 in words is "five million, five hundred three thousand, six hundred thirty-nine".