52355401402 has 4 divisors (see below), whose sum is σ = 78533102106. Its totient is φ = 26177700700.

The previous prime is 52355401387. The next prime is 52355401429. The reversal of 52355401402 is 20410455325.

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., 38998745361 + 13356656041 = 197481^2 + 115571^2 .

It is an unprimeable number.

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, 13088850349 + ... + 13088850352.

Almost surely, 2^52355401402 is an apocalyptic number.

52355401402 is a deficient number, since it is larger than the sum of its proper divisors (26177700704).

52355401402 is a wasteful number, since it uses less digits than its factorization.

52355401402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26177700703.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 52355401402 its reverse (20410455325), we get a palindrome (72765856727).

The spelling of 52355401402 in words is "fifty-two billion, three hundred fifty-five million, four hundred one thousand, four hundred two".