54542533 has 16 divisors (see below), whose sum is σ = 58291200. Its totient is φ = 50944320.

The previous prime is 54542531. The next prime is 54542561. The reversal of 54542533 is 33524545.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54542533 - 2¹ = 54542531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54542495 and 54542504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54542531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238063 + ... + 238291.

It is an arithmetic number, because the mean of its divisors is an integer number (3643200).

Almost surely, 2^54542533 is an apocalyptic number.

It is an amenable number.

54542533 is a deficient number, since it is larger than the sum of its proper divisors (3748667).

54542533 is a wasteful number, since it uses less digits than its factorization.

54542533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its digits is 36000, while the sum is 31.

The square root of 54542533 is about 7385.2916665491. The cubic root of 54542533 is about 379.2379302568.

The spelling of 54542533 in words is "fifty-four million, five hundred forty-two thousand, five hundred thirty-three".