55051055 has 4 divisors (see below), whose sum is σ = 66061272. Its totient is φ = 44040840.

The previous prime is 55051033. The next prime is 55051067. The reversal of 55051055 is 55015055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55015055 = 5 ⋅11003011.

It is a de Polignac number, because none of the positive numbers 2^k-55051055 is a prime.

It is a super-2 number, since 2×55051055² = 6061237313226050, which contains 22 as substring.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505101 + ... + 5505110.

It is an arithmetic number, because the mean of its divisors is an integer number (16515318).

Almost surely, 2^55051055 is an apocalyptic number.

55051055 is a deficient number, since it is larger than the sum of its proper divisors (11010217).

55051055 is a wasteful number, since it uses less digits than its factorization.

55051055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010216.

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

The square root of 55051055 is about 7419.6398160558. The cubic root of 55051055 is about 380.4128822526.

The spelling of 55051055 in words is "fifty-five million, fifty-one thousand, fifty-five".