6155504402 has 4 divisors (see below), whose sum is σ = 9233256606. Its totient is φ = 3077752200.

The previous prime is 6155504401. The next prime is 6155504431. The reversal of 6155504402 is 2044055516.

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., 6109141921 + 46362481 = 78161^2 + 6809^2 .

It is not an unprimeable number, because it can be changed into a prime (6155504401) by changing a digit.

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, 1538876099 + ... + 1538876102.

Almost surely, 2^6155504402 is an apocalyptic number.

6155504402 is a deficient number, since it is larger than the sum of its proper divisors (3077752204).

6155504402 is a wasteful number, since it uses less digits than its factorization.

6155504402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077752203.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 6155504402 is about 78457.0226429731. The cubic root of 6155504402 is about 1832.6852396238.

Adding to 6155504402 its reverse (2044055516), we get a palindrome (8199559918).

The spelling of 6155504402 in words is "six billion, one hundred fifty-five million, five hundred four thousand, four hundred two".