555421104525 has 48 divisors (see below), whose sum is σ = 1095111051264. Its totient is φ = 242867359680.

The previous prime is 555421104521. The next prime is 555421104527. The reversal of 555421104525 is 525401124555.

It is a happy number.

It is not a de Polignac number, because 555421104525 - 2² = 555421104521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555421104521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22986729 + ... + 23010878.

It is an arithmetic number, because the mean of its divisors is an integer number (22814813568).

Almost surely, 2^555421104525 is an apocalyptic number.

It is an amenable number.

555421104525 is a deficient number, since it is larger than the sum of its proper divisors (539689946739).

555421104525 is a wasteful number, since it uses less digits than its factorization.

555421104525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45997650 (or 45997645 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 39.

The spelling of 555421104525 in words is "five hundred fifty-five billion, four hundred twenty-one million, one hundred four thousand, five hundred twenty-five".