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55988189371 = 192946746809
BaseRepresentation
bin110100001001001001…
…111111100010111011
312100111220122201011101
4310021021333202323
51404130434024441
641415353112231
74021303520542
oct641111774273
9170456581141
1055988189371
1121820967394
12aa263b8677
135383561a4a
1429d1b47159
1516ca448231
hexd0927f8bb

55988189371 has 4 divisors (see below), whose sum is σ = 58934936200. Its totient is φ = 53041442544.

The previous prime is 55988189321. The next prime is 55988189381. The reversal of 55988189371 is 17398188955.

It is a happy number.

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 55988189371 - 211 = 55988187323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55988189311) 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, 1473373386 + ... + 1473373423.

It is an arithmetic number, because the mean of its divisors is an integer number (14733734050).

Almost surely, 255988189371 is an apocalyptic number.

55988189371 is a deficient number, since it is larger than the sum of its proper divisors (2946746829).

55988189371 is a wasteful number, since it uses less digits than its factorization.

55988189371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946746828.

The product of its digits is 21772800, while the sum is 64.

The spelling of 55988189371 in words is "fifty-five billion, nine hundred eighty-eight million, one hundred eighty-nine thousand, three hundred seventy-one".

Divisors: 1 19 2946746809 55988189371