55555502 has 8 divisors (see below), whose sum is σ = 83366496. Its totient is φ = 27766672.

The previous prime is 55555481. The next prime is 55555517. The reversal of 55555502 is 20555555.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4043 + ... + 11289.

It is an arithmetic number, because the mean of its divisors is an integer number (10420812).

Almost surely, 2^55555502 is an apocalyptic number.

55555502 is a deficient number, since it is larger than the sum of its proper divisors (27810994).

55555502 is a wasteful number, since it uses less digits than its factorization.

55555502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11082.

The product of its (nonzero) digits is 31250, while the sum is 32.

The square root of 55555502 is about 7453.5563323825. The cubic root of 55555502 is about 381.5712915728.

The spelling of 55555502 in words is "fifty-five million, five hundred fifty-five thousand, five hundred two".