6550155623 has 8 divisors (see below), whose sum is σ = 7246267776. Its totient is φ = 5870817400.

The previous prime is 6550155617. The next prime is 6550155631. The reversal of 6550155623 is 3265510556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6550155623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550155223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4192661 + ... + 4194222.

It is an arithmetic number, because the mean of its divisors is an integer number (905783472).

Almost surely, 2^6550155623 is an apocalyptic number.

6550155623 is a deficient number, since it is larger than the sum of its proper divisors (696112153).

6550155623 is a wasteful number, since it uses less digits than its factorization.

6550155623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386965.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 6550155623 is about 80933.0317175873. The cubic root of 6550155623 is about 1871.0434493191.

The spelling of 6550155623 in words is "six billion, five hundred fifty million, one hundred fifty-five thousand, six hundred twenty-three".