55235455 has 16 divisors (see below), whose sum is σ = 72503424. Its totient is φ = 40062880.

The previous prime is 55235449. The next prime is 55235461. The reversal of 55235455 is 55453255.

It is an interprime number because it is at equal distance from previous prime (55235449) and next prime (55235461).

It is not a de Polignac number, because 55235455 - 2¹¹ = 55233407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55235455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23232 + ... + 25498.

It is an arithmetic number, because the mean of its divisors is an integer number (4531464).

Almost surely, 2^55235455 is an apocalyptic number.

55235455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55235455 is a deficient number, since it is larger than the sum of its proper divisors (17267969).

55235455 is a wasteful number, since it uses less digits than its factorization.

55235455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726.

The product of its digits is 75000, while the sum is 34.

The square root of 55235455 is about 7432.0559066789. The cubic root of 55235455 is about 380.8371548226.

The spelling of 55235455 in words is "fifty-five million, two hundred thirty-five thousand, four hundred fifty-five".