55875455 has 8 divisors (see below), whose sum is σ = 67174272. Its totient is φ = 44617888.

The previous prime is 55875427. The next prime is 55875461. The reversal of 55875455 is 55457855.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55875455 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 7247 + ... + 12816.

It is an arithmetic number, because the mean of its divisors is an integer number (8396784).

Almost surely, 2^55875455 is an apocalyptic number.

55875455 is a deficient number, since it is larger than the sum of its proper divisors (11298817).

55875455 is a wasteful number, since it uses less digits than its factorization.

55875455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20625.

The product of its digits is 700000, while the sum is 44.

The square root of 55875455 is about 7474.9886287539. The cubic root of 55875455 is about 382.3023998237.

The spelling of 55875455 in words is "fifty-five million, eight hundred seventy-five thousand, four hundred fifty-five".