55105154 has 16 divisors (see below), whose sum is σ = 89549880. Its totient is φ = 25431120.

The previous prime is 55105153. The next prime is 55105163. The reversal of 55105154 is 45150155.

It can be written as a sum of positive squares in 4 ways, for example, as 8497225 + 46607929 = 2915^2 + 6827^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (55105153) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1877 + ... + 10664.

Almost surely, 2^55105154 is an apocalyptic number.

55105154 is a deficient number, since it is larger than the sum of its proper divisors (34444726).

55105154 is a wasteful number, since it uses less digits than its factorization.

55105154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12582 (or 12556 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 55105154 is about 7423.2845829862. The cubic root of 55105154 is about 380.5374527920.

The spelling of 55105154 in words is "fifty-five million, one hundred five thousand, one hundred fifty-four".