5555320402 has 8 divisors (see below), whose sum is σ = 8367558012. Its totient is φ = 2766134400.

The previous prime is 5555320361. The next prime is 5555320403. The reversal of 5555320402 is 2040235555.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5208653241 + 346667161 = 72171^2 + 18619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5555320403) 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, 5762299 + ... + 5763262.

Almost surely, 2^5555320402 is an apocalyptic number.

5555320402 is a deficient number, since it is larger than the sum of its proper divisors (2812237610).

5555320402 is a wasteful number, since it uses less digits than its factorization.

5555320402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11525804.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 5555320402 is about 74534.0217752940. The cubic root of 5555320402 is about 1771.0726261577.

Adding to 5555320402 its reverse (2040235555), we get a palindrome (7595555957).

The spelling of 5555320402 in words is "five billion, five hundred fifty-five million, three hundred twenty thousand, four hundred two".