55123254 has 20 divisors (see below), whose sum is σ = 123517284. Its totient is φ = 18374364.

The previous prime is 55123247. The next prime is 55123261. The reversal of 55123254 is 45232155.

It is a happy number.

55123254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55123247) and next prime (55123261).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 169972 + ... + 170295.

Almost surely, 2^55123254 is an apocalyptic number.

55123254 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55123254 is an abundant number, since it is smaller than the sum of its proper divisors (68394030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55123254 is a wasteful number, since it uses less digits than its factorization.

55123254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340281 (or 340272 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 55123254 is about 7424.5036197715. The cubic root of 55123254 is about 380.5791123792.

The spelling of 55123254 in words is "fifty-five million, one hundred twenty-three thousand, two hundred fifty-four".