54305531 has 8 divisors (see below), whose sum is σ = 65714400. Its totient is φ = 43809408.

The previous prime is 54305501. The next prime is 54305533. The reversal of 54305531 is 13550345.

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

It is not a de Polignac number, because 54305531 - 2⁶ = 54305467 is a prime.

It is a super-2 number, since 2×54305531² = 5898181394383922, which contains 22 as substring.

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 54305531.

It is not an unprimeable number, because it can be changed into a prime (54305533) 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, 228056 + ... + 228293.

It is an arithmetic number, because the mean of its divisors is an integer number (8214300).

Almost surely, 2^54305531 is an apocalyptic number.

54305531 is a deficient number, since it is larger than the sum of its proper divisors (11408869).

54305531 is a wasteful number, since it uses less digits than its factorization.

54305531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456373.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 54305531 is about 7369.2286570577. The cubic root of 54305531 is about 378.6878357240.

Adding to 54305531 its reverse (13550345), we get a palindrome (67855876).

The spelling of 54305531 in words is "fifty-four million, three hundred five thousand, five hundred thirty-one".