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55079152819 = 163337908913
BaseRepresentation
bin110011010010111110…
…010010110010110011
312021011120010212102221
4303102332102302303
51400300230342234
641145241221511
73656625034315
oct632276226263
9167146125387
1055079152819
11213a4822809
12a811a91897
13526a1231b2
1429471177b5
151675733eb4
hexcd2f92cb3

55079152819 has 4 divisors (see below), whose sum is σ = 55417061896. Its totient is φ = 54741243744.

The previous prime is 55079152813. The next prime is 55079152823. The reversal of 55079152819 is 91825197055.

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 55079152819 - 215 = 55079120051 is a prime.

It is a super-2 number, since 2×550791528192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55079152813) 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, 168954294 + ... + 168954619.

It is an arithmetic number, because the mean of its divisors is an integer number (13854265474).

Almost surely, 255079152819 is an apocalyptic number.

55079152819 is a deficient number, since it is larger than the sum of its proper divisors (337909077).

55079152819 is a wasteful number, since it uses less digits than its factorization.

55079152819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337909076.

The product of its (nonzero) digits is 1134000, while the sum is 52.

The spelling of 55079152819 in words is "fifty-five billion, seventy-nine million, one hundred fifty-two thousand, eight hundred nineteen".

Divisors: 1 163 337908913 55079152819