54512233 has 4 divisors (see below), whose sum is σ = 55124820. Its totient is φ = 53899648.

The previous prime is 54512221. The next prime is 54512243. The reversal of 54512233 is 33221545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4272489 + 50239744 = 2067^2 + 7088^2 .

It is a cyclic number.

It is not a de Polignac number, because 54512233 - 2¹³ = 54504041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54512198 and 54512207.

It is not an unprimeable number, because it can be changed into a prime (54512243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306160 + ... + 306337.

It is an arithmetic number, because the mean of its divisors is an integer number (13781205).

Almost surely, 2^54512233 is an apocalyptic number.

It is an amenable number.

54512233 is a deficient number, since it is larger than the sum of its proper divisors (612587).

54512233 is an equidigital number, since it uses as much as digits as its factorization.

54512233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612586.

The product of its digits is 3600, while the sum is 25.

The square root of 54512233 is about 7383.2400069346. The cubic root of 54512233 is about 379.1676912637.

Adding to 54512233 its reverse (33221545), we get a palindrome (87733778).

It can be divided in two parts, 54512 and 233, that added together give a palindrome (54745).

The spelling of 54512233 in words is "fifty-four million, five hundred twelve thousand, two hundred thirty-three".