55166671435 has 16 divisors (see below), whose sum is σ = 68526311040. Its totient is φ = 42584402560.

The previous prime is 55166671397. The next prime is 55166671453. The reversal of 55166671435 is 53417666155.

It is a de Polignac number, because none of the positive numbers 2^k-55166671435 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109365 + ... + 349705.

It is an arithmetic number, because the mean of its divisors is an integer number (4282894440).

Almost surely, 2^55166671435 is an apocalyptic number.

55166671435 is a deficient number, since it is larger than the sum of its proper divisors (13359639605).

55166671435 is a wasteful number, since it uses less digits than its factorization.

55166671435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241958.

The product of its digits is 2268000, while the sum is 49.

The spelling of 55166671435 in words is "fifty-five billion, one hundred sixty-six million, six hundred seventy-one thousand, four hundred thirty-five".