55605551010556 has 12 divisors (see below), whose sum is σ = 102431278177480. Its totient is φ = 26339471531280.

The previous prime is 55605551010551. The next prime is 55605551010617. The reversal of 55605551010556 is 65501015550655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55605551010551) 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, 365825993415 + ... + 365825993566.

Almost surely, 2^{55605551010556} is an apocalyptic number.

It is an amenable number.

55605551010556 is a deficient number, since it is larger than the sum of its proper divisors (46825727166924).

55605551010556 is a wasteful number, since it uses less digits than its factorization.

55605551010556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731651987004 (or 731651987002 counting only the distinct ones).

The product of its (nonzero) digits is 2812500, while the sum is 49.

The spelling of 55605551010556 in words is "fifty-five trillion, six hundred five billion, five hundred fifty-one million, ten thousand, five hundred fifty-six".