54772253 has 4 divisors (see below), whose sum is σ = 54787260. Its totient is φ = 54757248.

The previous prime is 54772243. The next prime is 54772259. The reversal of 54772253 is 35227745.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 19035769 + 35736484 = 4363^2 + 5978^2 .

It is a cyclic number.

It is not a de Polignac number, because 54772253 - 2¹² = 54768157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54772259) 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, 1901 + ... + 10637.

It is an arithmetic number, because the mean of its divisors is an integer number (13696815).

Almost surely, 2^54772253 is an apocalyptic number.

It is an amenable number.

54772253 is a deficient number, since it is larger than the sum of its proper divisors (15007).

54772253 is an equidigital number, since it uses as much as digits as its factorization.

54772253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15006.

The product of its digits is 58800, while the sum is 35.

The square root of 54772253 is about 7400.8278590979. The cubic root of 54772253 is about 379.7696041054.

Adding to 54772253 its reverse (35227745), we get a palindrome (89999998).

The spelling of 54772253 in words is "fifty-four million, seven hundred seventy-two thousand, two hundred fifty-three".