55165716051 has 8 divisors (see below), whose sum is σ = 74942105040. Its totient is φ = 36083235552.

The previous prime is 55165716049. The next prime is 55165716071. The reversal of 55165716051 is 15061756155.

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

It is not a de Polignac number, because 55165716051 - 2¹ = 55165716049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55165715994 and 55165716012.

It is not an unprimeable number, because it can be changed into a prime (55165716031) 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, 173476936 + ... + 173477253.

It is an arithmetic number, because the mean of its divisors is an integer number (9367763130).

Almost surely, 2^55165716051 is an apocalyptic number.

55165716051 is a deficient number, since it is larger than the sum of its proper divisors (19776388989).

55165716051 is a wasteful number, since it uses less digits than its factorization.

55165716051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346954245.

The product of its (nonzero) digits is 157500, while the sum is 42.

The spelling of 55165716051 in words is "fifty-five billion, one hundred sixty-five million, seven hundred sixteen thousand, fifty-one".