553387185172 has 12 divisors (see below), whose sum is σ = 980095376736. Its totient is φ = 273359934680.

The previous prime is 553387185161. The next prime is 553387185173. The reversal of 553387185172 is 271581783355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553387185173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833414104 + ... + 833414767.

It is an arithmetic number, because the mean of its divisors is an integer number (81674614728).

Almost surely, 2^553387185172 is an apocalyptic number.

It is an amenable number.

553387185172 is a deficient number, since it is larger than the sum of its proper divisors (426708191564).

553387185172 is a wasteful number, since it uses less digits than its factorization.

553387185172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666828958 (or 1666828956 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 55.

The spelling of 553387185172 in words is "five hundred fifty-three billion, three hundred eighty-seven million, one hundred eighty-five thousand, one hundred seventy-two".