52052321554 has 4 divisors (see below), whose sum is σ = 78078482334. Its totient is φ = 26026160776.

The previous prime is 52052321543. The next prime is 52052321569. The reversal of 52052321554 is 45512325025.

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., 43273568529 + 8778753025 = 208023^2 + 93695^2 .

It is a super-2 number, since 2×52052321554² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13013080387 + ... + 13013080390.

Almost surely, 2^52052321554 is an apocalyptic number.

52052321554 is a deficient number, since it is larger than the sum of its proper divisors (26026160780).

52052321554 is a wasteful number, since it uses less digits than its factorization.

52052321554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26026160779.

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 52052321554 its reverse (45512325025), we get a palindrome (97564646579).

The spelling of 52052321554 in words is "fifty-two billion, fifty-two million, three hundred twenty-one thousand, five hundred fifty-four".