7542054539 has 4 divisors (see below), whose sum is σ = 7985704824. Its totient is φ = 7098404256.

The previous prime is 7542054529. The next prime is 7542054613. The reversal of 7542054539 is 9354502457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9354502457 = 283 ⋅33054779.

It is a cyclic number.

It is not a de Polignac number, because 7542054539 - 2¹² = 7542050443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7542054539.

It is not an unprimeable number, because it can be changed into a prime (7542054529) 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, 221825117 + ... + 221825150.

It is an arithmetic number, because the mean of its divisors is an integer number (1996426206).

Almost surely, 2^7542054539 is an apocalyptic number.

7542054539 is a deficient number, since it is larger than the sum of its proper divisors (443650285).

7542054539 is a wasteful number, since it uses less digits than its factorization.

7542054539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443650284.

The product of its (nonzero) digits is 756000, while the sum is 44.

The square root of 7542054539 is about 86845.0029592952. The cubic root of 7542054539 is about 1961.0856247106.

The spelling of 7542054539 in words is "seven billion, five hundred forty-two million, fifty-four thousand, five hundred thirty-nine".