55433149 has 8 divisors (see below), whose sum is σ = 57247520. Its totient is φ = 53642736.

The previous prime is 55433137. The next prime is 55433159. The reversal of 55433149 is 94133455.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55433149 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 (55433159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227 + ... + 10600.

It is an arithmetic number, because the mean of its divisors is an integer number (7155940).

Almost surely, 2^55433149 is an apocalyptic number.

It is an amenable number.

55433149 is a deficient number, since it is larger than the sum of its proper divisors (1814371).

55433149 is a wasteful number, since it uses less digits than its factorization.

55433149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11979.

The product of its digits is 32400, while the sum is 34.

The square root of 55433149 is about 7445.3441156202. The cubic root of 55433149 is about 381.2909670570.

The spelling of 55433149 in words is "fifty-five million, four hundred thirty-three thousand, one hundred forty-nine".