55093591 has 24 divisors (see below), whose sum is σ = 67018320. Its totient is φ = 45101952.

The previous prime is 55093561. The next prime is 55093601. The reversal of 55093591 is 19539055.

55093591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55093591 - 2¹³ = 55085399 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 55093591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55093531) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 194536 + ... + 194818.

It is an arithmetic number, because the mean of its divisors is an integer number (2792430).

Almost surely, 2^55093591 is an apocalyptic number.

55093591 is a deficient number, since it is larger than the sum of its proper divisors (11924729).

55093591 is a wasteful number, since it uses less digits than its factorization.

55093591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 30375, while the sum is 37.

The square root of 55093591 is about 7422.5057089907. The cubic root of 55093591 is about 380.5108342149.

The spelling of 55093591 in words is "fifty-five million, ninety-three thousand, five hundred ninety-one".