555643155650072 has 16 divisors (see below), whose sum is σ = 1190663904964560. Its totient is φ = 238132780992864.

The previous prime is 555643155650057. The next prime is 555643155650081. The reversal of 555643155650072 is 270056551346555.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 555643155649993 and 555643155650020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4961099603963 + ... + 4961099604074.

It is an arithmetic number, because the mean of its divisors is an integer number (74416494060285).

Almost surely, 2^{555643155650072} is an apocalyptic number.

It is an amenable number.

555643155650072 is an abundant number, since it is smaller than the sum of its proper divisors (635020749314488).

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

555643155650072 is a wasteful number, since it uses less digits than its factorization.

555643155650072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922199208050 (or 9922199208046 counting only the distinct ones).

The product of its (nonzero) digits is 94500000, while the sum is 59.

The spelling of 555643155650072 in words is "five hundred fifty-five trillion, six hundred forty-three billion, one hundred fifty-five million, six hundred fifty thousand, seventy-two".