55505105 has 8 divisors (see below), whose sum is σ = 66656832. Its totient is φ = 44370288.

The previous prime is 55505081. The next prime is 55505123. The reversal of 55505105 is 50150555.

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 55505105 - 2²² = 51310801 is a prime.

It is a super-2 number, since 2×55505105² = 6161633362122050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4724 + ... + 11546.

It is an arithmetic number, because the mean of its divisors is an integer number (8332104).

Almost surely, 2^55505105 is an apocalyptic number.

It is an amenable number.

55505105 is a deficient number, since it is larger than the sum of its proper divisors (11151727).

55505105 is a wasteful number, since it uses less digits than its factorization.

55505105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8455.

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

The square root of 55505105 is about 7450.1748301634. The cubic root of 55505105 is about 381.4558762647.

The spelling of 55505105 in words is "fifty-five million, five hundred five thousand, one hundred five".