55706722152155 has 4 divisors (see below), whose sum is σ = 66848066582592. Its totient is φ = 44565377721720.

The previous prime is 55706722152079. The next prime is 55706722152161. The reversal of 55706722152155 is 55125122760755.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55706722152155 - 2¹⁸ = 55706721890011 is a prime.

It is a super-2 number, since 2×55706722152155² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55706722152097 and 55706722152106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5570672215211 + ... + 5570672215220.

It is an arithmetic number, because the mean of its divisors is an integer number (16712016645648).

Almost surely, 2^{55706722152155} is an apocalyptic number.

55706722152155 is a deficient number, since it is larger than the sum of its proper divisors (11141344430437).

55706722152155 is a wasteful number, since it uses less digits than its factorization.

55706722152155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11141344430436.

The product of its (nonzero) digits is 7350000, while the sum is 53.

The spelling of 55706722152155 in words is "fifty-five trillion, seven hundred six billion, seven hundred twenty-two million, one hundred fifty-two thousand, one hundred fifty-five".