52542021542 has 16 divisors (see below), whose sum is σ = 80927009280. Its totient is φ = 25574998152.

The previous prime is 52542021527. The next prime is 52542021607. The reversal of 52542021542 is 24512024525.

It is a junction number, because it is equal to n+sod(n) for n = 52542021499 and 52542021508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2149358 + ... + 2173665.

It is an arithmetic number, because the mean of its divisors is an integer number (5057938080).

Almost surely, 2^52542021542 is an apocalyptic number.

52542021542 is a deficient number, since it is larger than the sum of its proper divisors (28384987738).

52542021542 is a wasteful number, since it uses less digits than its factorization.

52542021542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323187.

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 52542021542 in words is "fifty-two billion, five hundred forty-two million, twenty-one thousand, five hundred forty-two".