55349855 has 8 divisors (see below), whose sum is σ = 72458064. Its totient is φ = 40254400.

The previous prime is 55349851. The next prime is 55349857. The reversal of 55349855 is 55894355.

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

It is not a de Polignac number, because 55349855 - 2² = 55349851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55349851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503126 + ... + 503235.

It is an arithmetic number, because the mean of its divisors is an integer number (9057258).

Almost surely, 2^55349855 is an apocalyptic number.

55349855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55349855 is a deficient number, since it is larger than the sum of its proper divisors (17108209).

55349855 is a wasteful number, since it uses less digits than its factorization.

55349855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006377.

The product of its digits is 540000, while the sum is 44.

The square root of 55349855 is about 7439.7483156354. The cubic root of 55349855 is about 381.0998950429.

The spelling of 55349855 in words is "fifty-five million, three hundred forty-nine thousand, eight hundred fifty-five".