55433151 has 24 divisors (see below), whose sum is σ = 83936736. Its totient is φ = 35185920.

The previous prime is 55433137. The next prime is 55433159. The reversal of 55433151 is 15133455.

It is not a de Polignac number, because 55433151 - 2¹⁹ = 54908863 is a prime.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57691 + ... + 58643.

It is an arithmetic number, because the mean of its divisors is an integer number (3497364).

Almost surely, 2^55433151 is an apocalyptic number.

55433151 is a deficient number, since it is larger than the sum of its proper divisors (28503585).

55433151 is a wasteful number, since it uses less digits than its factorization.

55433151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1260 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 55433151 is about 7445.3442499323. The cubic root of 55433151 is about 381.2909716426.

The spelling of 55433151 in words is "fifty-five million, four hundred thirty-three thousand, one hundred fifty-one".