7552915421 has 8 divisors (see below), whose sum is σ = 7887704064. Its totient is φ = 7218660240.

The previous prime is 7552915373. The next prime is 7552915453. The reversal of 7552915421 is 1245192557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7552915421 - 2²⁶ = 7485806557 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 (7552915481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104285 + ... + 161186.

It is an arithmetic number, because the mean of its divisors is an integer number (985963008).

Almost surely, 2^7552915421 is an apocalyptic number.

It is an amenable number.

7552915421 is a deficient number, since it is larger than the sum of its proper divisors (334788643).

7552915421 is a wasteful number, since it uses less digits than its factorization.

7552915421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266731.

The product of its digits is 126000, while the sum is 41.

The square root of 7552915421 is about 86907.5107283600. The cubic root of 7552915421 is about 1962.0265223462.

The spelling of 7552915421 in words is "seven billion, five hundred fifty-two million, nine hundred fifteen thousand, four hundred twenty-one".