553949323158 has 64 divisors (see below), whose sum is σ = 1382337810432. Its totient is φ = 143772360480.

The previous prime is 553949323139. The next prime is 553949323159. The reversal of 553949323158 is 851323949355.

It is a junction number, because it is equal to n+sod(n) for n = 553949323098 and 553949323107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553949323159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141885 + ... + 1062087.

It is an arithmetic number, because the mean of its divisors is an integer number (21599028288).

Almost surely, 2^553949323158 is an apocalyptic number.

553949323158 is an abundant number, since it is smaller than the sum of its proper divisors (828388487274).

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

553949323158 is a wasteful number, since it uses less digits than its factorization.

553949323158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921529.

The product of its digits is 17496000, while the sum is 57.

The spelling of 553949323158 in words is "five hundred fifty-three billion, nine hundred forty-nine million, three hundred twenty-three thousand, one hundred fifty-eight".