55594551 has 8 divisors (see below), whose sum is σ = 78027520. Its totient is φ = 35112312.

The previous prime is 55594549. The next prime is 55594597. The reversal of 55594551 is 15549555.

55594551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55594551 - 2¹ = 55594549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55594051) 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 7 ways as a sum of consecutive naturals, for example, 487615 + ... + 487728.

It is an arithmetic number, because the mean of its divisors is an integer number (9753440).

Almost surely, 2^55594551 is an apocalyptic number.

55594551 is a deficient number, since it is larger than the sum of its proper divisors (22432969).

55594551 is a wasteful number, since it uses less digits than its factorization.

55594551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975365.

The product of its digits is 112500, while the sum is 39.

The square root of 55594551 is about 7456.1753600623. The cubic root of 55594551 is about 381.6606705854.

The spelling of 55594551 in words is "fifty-five million, five hundred ninety-four thousand, five hundred fifty-one".