54435551 has 6 divisors (see below), whose sum is σ = 57451752. Its totient is φ = 51570180.

The previous prime is 54435533. The next prime is 54435553. The reversal of 54435551 is 15553445.

It is a de Polignac number, because none of the positive numbers 2^k-54435551 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 (54435553) 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 5 ways as a sum of consecutive naturals, for example, 75035 + ... + 75756.

It is an arithmetic number, because the mean of its divisors is an integer number (9575292).

Almost surely, 2^54435551 is an apocalyptic number.

54435551 is a deficient number, since it is larger than the sum of its proper divisors (3016201).

54435551 is a wasteful number, since it uses less digits than its factorization.

54435551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150829 (or 150810 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 54435551 is about 7378.0452018133. The cubic root of 54435551 is about 378.9898169327.

Adding to 54435551 its reverse (15553445), we get a palindrome (69988996).

The spelling of 54435551 in words is "fifty-four million, four hundred thirty-five thousand, five hundred fifty-one".