55954189 has 4 divisors (see below), whose sum is σ = 56008480. Its totient is φ = 55899900.

The previous prime is 55954153. The next prime is 55954207. The reversal of 55954189 is 98145955.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55954189 - 2¹⁵ = 55921421 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 (55954139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25569 + ... + 27670.

It is an arithmetic number, because the mean of its divisors is an integer number (14002120).

Almost surely, 2^55954189 is an apocalyptic number.

It is an amenable number.

55954189 is a deficient number, since it is larger than the sum of its proper divisors (54291).

55954189 is a wasteful number, since it uses less digits than its factorization.

55954189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54290.

The product of its digits is 324000, while the sum is 46.

The square root of 55954189 is about 7480.2532711132. The cubic root of 55954189 is about 382.4818827479.

The spelling of 55954189 in words is "fifty-five million, nine hundred fifty-four thousand, one hundred eighty-nine".