55535855 has 8 divisors (see below), whose sum is σ = 70563312. Its totient is φ = 41815168.

The previous prime is 55535807. The next prime is 55535861. The reversal of 55535855 is 55853555.

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

It is a cyclic number.

It is not a de Polignac number, because 55535855 - 2¹² = 55531759 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, 326597 + ... + 326766.

It is an arithmetic number, because the mean of its divisors is an integer number (8820414).

Almost surely, 2^55535855 is an apocalyptic number.

55535855 is a deficient number, since it is larger than the sum of its proper divisors (15027457).

55535855 is a wasteful number, since it uses less digits than its factorization.

55535855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653385.

The product of its digits is 375000, while the sum is 41.

The square root of 55535855 is about 7452.2382543770. The cubic root of 55535855 is about 381.5263058390.

The spelling of 55535855 in words is "fifty-five million, five hundred thirty-five thousand, eight hundred fifty-five".