55093775 has 12 divisors (see below), whose sum is σ = 74527224. Its totient is φ = 40068000.

The previous prime is 55093751. The next prime is 55093811. The reversal of 55093775 is 57739055.

It is a happy number.

It is not a de Polignac number, because 55093775 - 2¹⁸ = 54831631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99896 + ... + 100445.

It is an arithmetic number, because the mean of its divisors is an integer number (6210602).

Almost surely, 2^55093775 is an apocalyptic number.

55093775 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55093775 is a deficient number, since it is larger than the sum of its proper divisors (19433449).

55093775 is a wasteful number, since it uses less digits than its factorization.

55093775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200362 (or 200357 counting only the distinct ones).

The product of its (nonzero) digits is 165375, while the sum is 41.

The square root of 55093775 is about 7422.5181037166. The cubic root of 55093775 is about 380.5112578208.

The spelling of 55093775 in words is "fifty-five million, ninety-three thousand, seven hundred seventy-five".