54055533 has 32 divisors (see below), whose sum is σ = 84637696. Its totient is φ = 30051648.

The previous prime is 54055531. The next prime is 54055549. The reversal of 54055533 is 33555045.

It is not a de Polignac number, because 54055533 - 2¹ = 54055531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54055533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54055531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144735 + ... + 145107.

It is an arithmetic number, because the mean of its divisors is an integer number (2644928).

Almost surely, 2^54055533 is an apocalyptic number.

It is an amenable number.

54055533 is a deficient number, since it is larger than the sum of its proper divisors (30582163).

54055533 is a wasteful number, since it uses less digits than its factorization.

54055533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 54055533 is about 7352.2467994485. The cubic root of 54055533 is about 378.1058394589.

The spelling of 54055533 in words is "fifty-four million, fifty-five thousand, five hundred thirty-three".