54253421 has 4 divisors (see below), whose sum is σ = 54863100. Its totient is φ = 53643744.

The previous prime is 54253411. The next prime is 54253429. The reversal of 54253421 is 12435245.

It is a happy number.

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 24157225 + 30096196 = 4915^2 + 5486^2 .

It is a cyclic number.

It is not a de Polignac number, because 54253421 - 2⁶ = 54253357 is a prime.

It is a super-5 number, since 5×54253421⁵ (a number of 40 digits) contains 55555 as substring.

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 (54253429) 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, 304706 + ... + 304883.

It is an arithmetic number, because the mean of its divisors is an integer number (13715775).

Almost surely, 2^54253421 is an apocalyptic number.

It is an amenable number.

54253421 is a deficient number, since it is larger than the sum of its proper divisors (609679).

54253421 is an equidigital number, since it uses as much as digits as its factorization.

54253421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609678.

The product of its digits is 4800, while the sum is 26.

The square root of 54253421 is about 7365.6921602793. The cubic root of 54253421 is about 378.5666710348.

Adding to 54253421 its reverse (12435245), we get a palindrome (66688666).

The spelling of 54253421 in words is "fifty-four million, two hundred fifty-three thousand, four hundred twenty-one".