54312533 has 8 divisors (see below), whose sum is σ = 59507136. Its totient is φ = 49160800.

The previous prime is 54312529. The next prime is 54312547. The reversal of 54312533 is 33521345.

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

It is a cyclic number.

It is not a de Polignac number, because 54312533 - 2² = 54312529 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 (54312553) 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, 8033 + ... + 13158.

It is an arithmetic number, because the mean of its divisors is an integer number (7438392).

Almost surely, 2^54312533 is an apocalyptic number.

It is an amenable number.

54312533 is a deficient number, since it is larger than the sum of its proper divisors (5194603).

54312533 is a wasteful number, since it uses less digits than its factorization.

54312533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21435.

The product of its digits is 5400, while the sum is 26.

The square root of 54312533 is about 7369.7037253882. The cubic root of 54312533 is about 378.7041106671.

Adding to 54312533 its reverse (33521345), we get a palindrome (87833878).

It can be divided in two parts, 54312 and 533, that added together give a palindrome (54845).

The spelling of 54312533 in words is "fifty-four million, three hundred twelve thousand, five hundred thirty-three".