52421377 has 4 divisors (see below), whose sum is σ = 52476336. Its totient is φ = 52366420.

The previous prime is 52421371. The next prime is 52421431. The reversal of 52421377 is 77312425.

52421377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-52421377 is a prime.

It is a super-2 number, since 2×52421377² = 5496001533152258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52421371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26023 + ... + 27964.

It is an arithmetic number, because the mean of its divisors is an integer number (13119084).

Almost surely, 2^52421377 is an apocalyptic number.

It is an amenable number.

52421377 is a deficient number, since it is larger than the sum of its proper divisors (54959).

52421377 is an equidigital number, since it uses as much as digits as its factorization.

52421377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54958.

The product of its digits is 11760, while the sum is 31.

The square root of 52421377 is about 7240.2608378428. The cubic root of 52421377 is about 374.2566060966.

The spelling of 52421377 in words is "fifty-two million, four hundred twenty-one thousand, three hundred seventy-seven".