5326551421 has 4 divisors (see below), whose sum is σ = 5401573344. Its totient is φ = 5251529500.

The previous prime is 5326551359. The next prime is 5326551479. The reversal of 5326551421 is 1241556235.

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-5326551421 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 (5326551521) 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, 37510855 + ... + 37510996.

It is an arithmetic number, because the mean of its divisors is an integer number (1350393336).

Almost surely, 2^5326551421 is an apocalyptic number.

It is an amenable number.

5326551421 is a deficient number, since it is larger than the sum of its proper divisors (75021923).

5326551421 is an equidigital number, since it uses as much as digits as its factorization.

5326551421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75021922.

The product of its digits is 36000, while the sum is 34.

The square root of 5326551421 is about 72983.2269840133. The cubic root of 5326551421 is about 1746.4200470803.

The spelling of 5326551421 in words is "five billion, three hundred twenty-six million, five hundred fifty-one thousand, four hundred twenty-one".