55638477432611 has 8 divisors (see below), whose sum is σ = 58911855894000. Its totient is φ = 52365157509888.

The previous prime is 55638477432583. The next prime is 55638477432613. The reversal of 55638477432611 is 11623477483655.

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

It is a cyclic number.

It is not a de Polignac number, because 55638477432611 - 2¹⁰ = 55638477431587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55638477432613) 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, 12670301 + ... + 16486766.

It is an arithmetic number, because the mean of its divisors is an integer number (7363981986750).

Almost surely, 2^{55638477432611} is an apocalyptic number.

55638477432611 is a deficient number, since it is larger than the sum of its proper divisors (3273378461389).

55638477432611 is a wasteful number, since it uses less digits than its factorization.

55638477432611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29269333.

The product of its digits is 101606400, while the sum is 62.

The spelling of 55638477432611 in words is "fifty-five trillion, six hundred thirty-eight billion, four hundred seventy-seven million, four hundred thirty-two thousand, six hundred eleven".