52542655642 has 4 divisors (see below), whose sum is σ = 78813983466. Its totient is φ = 26271327820.

The previous prime is 52542655591. The next prime is 52542655673. The reversal of 52542655642 is 24655624525.

52542655642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41297961961 + 11244693681 = 203219^2 + 106041^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52542655592 and 52542655601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13135663909 + ... + 13135663912.

Almost surely, 2^52542655642 is an apocalyptic number.

52542655642 is a deficient number, since it is larger than the sum of its proper divisors (26271327824).

52542655642 is a wasteful number, since it uses less digits than its factorization.

52542655642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26271327823.

The product of its digits is 2880000, while the sum is 46.

The spelling of 52542655642 in words is "fifty-two billion, five hundred forty-two million, six hundred fifty-five thousand, six hundred forty-two".