7542055522 has 4 divisors (see below), whose sum is σ = 11313083286. Its totient is φ = 3771027760.

The previous prime is 7542055513. The next prime is 7542055523. The reversal of 7542055522 is 2255502457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2255502457 = 13 ⋅173500189.

It can be written as a sum of positive squares in only one way, i.e., 6546589921 + 995465601 = 80911^2 + 31551^2 .

It is not an unprimeable number, because it can be changed into a prime (7542055523) 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 as a sum of consecutive naturals, namely, 1885513879 + ... + 1885513882.

Almost surely, 2^7542055522 is an apocalyptic number.

7542055522 is a deficient number, since it is larger than the sum of its proper divisors (3771027764).

7542055522 is a wasteful number, since it uses less digits than its factorization.

7542055522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771027763.

The product of its (nonzero) digits is 140000, while the sum is 37.

The square root of 7542055522 is about 86845.0086188032. The cubic root of 7542055522 is about 1961.0857099105.

Adding to 7542055522 its reverse (2255502457), we get a palindrome (9797557979).

The spelling of 7542055522 in words is "seven billion, five hundred forty-two million, fifty-five thousand, five hundred twenty-two".