52254621 has 6 divisors (see below), whose sum is σ = 75478910. Its totient is φ = 34836408.

The previous prime is 52254611. The next prime is 52254637. The reversal of 52254621 is 12645225.

It can be written as a sum of positive squares in only one way, i.e., 27154521 + 25100100 = 5211^2 + 5010^2 .

It is not a de Polignac number, because 52254621 - 2⁷ = 52254493 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 (52254611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2903026 + ... + 2903043.

Almost surely, 2^52254621 is an apocalyptic number.

It is an amenable number.

52254621 is a deficient number, since it is larger than the sum of its proper divisors (23224289).

52254621 is a wasteful number, since it uses less digits than its factorization.

52254621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806075 (or 5806072 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 52254621 is about 7228.7357815873. The cubic root of 52254621 is about 373.8593392326.

Adding to 52254621 its reverse (12645225), we get a palindrome (64899846).

It can be divided in two parts, 5 and 2254621, that added together give a triangular number (2254626 = T₂₁₂₃).

The spelling of 52254621 in words is "fifty-two million, two hundred fifty-four thousand, six hundred twenty-one".