551213501052 has 24 divisors (see below), whose sum is σ = 1286319046096. Its totient is φ = 183715803648.

The previous prime is 551213501051. The next prime is 551213501107. The reversal of 551213501052 is 250105312155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551213501051) 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 in 7 ways as a sum of consecutive naturals, for example, 2649343 + ... + 2849814.

Almost surely, 2^551213501052 is an apocalyptic number.

It is an amenable number.

551213501052 is an abundant number, since it is smaller than the sum of its proper divisors (735105545044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551213501052 is a wasteful number, since it uses less digits than its factorization.

551213501052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507517 (or 5507515 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 551213501052 in words is "five hundred fifty-one billion, two hundred thirteen million, five hundred one thousand, fifty-two".