551222052045 has 32 divisors (see below), whose sum is σ = 1007977588992. Its totient is φ = 251980050432.

The previous prime is 551222052011. The next prime is 551222052053. The reversal of 551222052045 is 540250222155.

It is a happy number.

It is not a de Polignac number, because 551222052045 - 2⁸ = 551222051789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551222051997 and 551222052015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5881069 + ... + 5974061.

It is an arithmetic number, because the mean of its divisors is an integer number (31499299656).

Almost surely, 2^551222052045 is an apocalyptic number.

It is an amenable number.

551222052045 is a deficient number, since it is larger than the sum of its proper divisors (456755536947).

551222052045 is a wasteful number, since it uses less digits than its factorization.

551222052045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149461.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 551222052045 in words is "five hundred fifty-one billion, two hundred twenty-two million, fifty-two thousand, forty-five".