550215251402 has 8 divisors (see below), whose sum is σ = 825407200512. Its totient is φ = 275079517900.

The previous prime is 550215251389. The next prime is 550215251423. The reversal of 550215251402 is 204152512055.

It is a happy number.

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

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 in 3 ways as a sum of consecutive naturals, for example, 14029424 + ... + 14068587.

It is an arithmetic number, because the mean of its divisors is an integer number (103175900064).

Almost surely, 2^550215251402 is an apocalyptic number.

550215251402 is a deficient number, since it is larger than the sum of its proper divisors (275191949110).

550215251402 is a wasteful number, since it uses less digits than its factorization.

550215251402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28107804.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 550215251402 its reverse (204152512055), we get a palindrome (754367763457).

The spelling of 550215251402 in words is "five hundred fifty billion, two hundred fifteen million, two hundred fifty-one thousand, four hundred two".