54121533 has 8 divisors (see below), whose sum is σ = 73523808. Its totient is φ = 35400144.

The previous prime is 54121531. The next prime is 54121547. The reversal of 54121533 is 33512145.

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

It is not a de Polignac number, because 54121533 - 2¹ = 54121531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54121531) 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, 170035 + ... + 170352.

It is an arithmetic number, because the mean of its divisors is an integer number (9190476).

Almost surely, 2^54121533 is an apocalyptic number.

54121533 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

54121533 is a deficient number, since it is larger than the sum of its proper divisors (19402275).

54121533 is a wasteful number, since it uses less digits than its factorization.

54121533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340443.

The product of its digits is 1800, while the sum is 24.

The square root of 54121533 is about 7356.7338540959. The cubic root of 54121533 is about 378.2596617383.

Adding to 54121533 its reverse (33512145), we get a palindrome (87633678).

The spelling of 54121533 in words is "fifty-four million, one hundred twenty-one thousand, five hundred thirty-three".