55100510511555 has 8 divisors (see below), whose sum is σ = 88160816818512. Its totient is φ = 29386938939488.

The previous prime is 55100510511521. The next prime is 55100510511569. The reversal of 55100510511555 is 55511501500155.

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 55100510511555 - 2⁶ = 55100510511491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836683683704 + ... + 1836683683733.

It is an arithmetic number, because the mean of its divisors is an integer number (11020102102314).

Almost surely, 2^{55100510511555} is an apocalyptic number.

55100510511555 is a deficient number, since it is larger than the sum of its proper divisors (33060306306957).

55100510511555 is a wasteful number, since it uses less digits than its factorization.

55100510511555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673367367445.

The product of its (nonzero) digits is 78125, while the sum is 39.

The spelling of 55100510511555 in words is "fifty-five trillion, one hundred billion, five hundred ten million, five hundred eleven thousand, five hundred fifty-five".