7552538 has 16 divisors (see below), whose sum is σ = 13629120. Its totient is φ = 3066336.

The previous prime is 7552537. The next prime is 7552541. The reversal of 7552538 is 8352557.

It is a junction number, because it is equal to n+sod(n) for n = 7552498 and 7552507.

It is not an unprimeable number, because it can be changed into a prime (7552537) 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 7 ways as a sum of consecutive naturals, for example, 13931 + ... + 14462.

It is an arithmetic number, because the mean of its divisors is an integer number (851820).

Almost surely, 2^7552538 is an apocalyptic number.

7552538 is a deficient number, since it is larger than the sum of its proper divisors (6076582).

7552538 is a wasteful number, since it uses less digits than its factorization.

7552538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28421.

The product of its digits is 42000, while the sum is 35.

The square root of 7552538 is about 2748.1881303870. The cubic root of 7552538 is about 196.1993840823.

The spelling of 7552538 in words is "seven million, five hundred fifty-two thousand, five hundred thirty-eight".