5555501 has 8 divisors (see below), whose sum is σ = 6568320. Its totient is φ = 4597488.

The previous prime is 5555497. The next prime is 5555507. The reversal of 5555501 is 1055555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5555501 - 2² = 5555497 is a prime.

It is a super-2 number, since 2×5555501² = 61727182722002, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13481 + ... + 13886.

It is an arithmetic number, because the mean of its divisors is an integer number (821040).

Almost surely, 2^5555501 is an apocalyptic number.

It is an amenable number.

5555501 is a deficient number, since it is larger than the sum of its proper divisors (1012819).

5555501 is a wasteful number, since it uses less digits than its factorization.

5555501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27403.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 5555501 is about 2357.0110309458. The cubic root of 5555501 is about 177.1091817893.

The spelling of 5555501 in words is "five million, five hundred fifty-five thousand, five hundred one".