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55715670167 = 192932403693
BaseRepresentation
bin110011111000111010…
…011010100010010111
312022210220212022002112
4303320322122202113
51403101202421132
641332340101235
74011454245113
oct637072324227
9168726768075
1055715670167
11216a1052703
12a96b09481b
13533bc66391
1429a7888743
1516b1566ab2
hexcf8e9a897

55715670167 has 4 divisors (see below), whose sum is σ = 58648073880. Its totient is φ = 52783266456.

The previous prime is 55715670161. The next prime is 55715670169. The reversal of 55715670167 is 76107651755.

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

It is a cyclic number.

It is not a de Polignac number, because 55715670167 - 220 = 55714621591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55715670161) 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, 1466201828 + ... + 1466201865.

It is an arithmetic number, because the mean of its divisors is an integer number (14662018470).

Almost surely, 255715670167 is an apocalyptic number.

55715670167 is a deficient number, since it is larger than the sum of its proper divisors (2932403713).

55715670167 is a wasteful number, since it uses less digits than its factorization.

55715670167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932403712.

The product of its (nonzero) digits is 1543500, while the sum is 50.

The spelling of 55715670167 in words is "fifty-five billion, seven hundred fifteen million, six hundred seventy thousand, one hundred sixty-seven".

Divisors: 1 19 2932403693 55715670167