52654021 has 4 divisors (see below), whose sum is σ = 60176032. Its totient is φ = 45132012.

The previous prime is 52654003. The next prime is 52654057. The reversal of 52654021 is 12045625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52654021 - 2⁵ = 52653989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52654001) 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, 3760995 + ... + 3761008.

It is an arithmetic number, because the mean of its divisors is an integer number (15044008).

Almost surely, 2^52654021 is an apocalyptic number.

It is an amenable number.

52654021 is a deficient number, since it is larger than the sum of its proper divisors (7522011).

52654021 is an equidigital number, since it uses as much as digits as its factorization.

52654021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7522010.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 52654021 is about 7256.3090479940. The cubic root of 52654021 is about 374.8094344350.

Adding to 52654021 its reverse (12045625), we get a palindrome (64699646).

The spelling of 52654021 in words is "fifty-two million, six hundred fifty-four thousand, twenty-one".