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55408976079 = 3124922936449
BaseRepresentation
bin110011100110101000…
…011110000011001111
312022000112202121220020
4303212220132003033
51401434144213304
641242102353223
74001041345212
oct634650360317
9168015677806
1055408976079
1121553a16916
12a8a442b813
1352c05636a2
142978c51779
1516946845d9
hexce6a1e0cf

55408976079 has 16 divisors (see below), whose sum is σ = 73981500000. Its totient is φ = 36887924736.

The previous prime is 55408976071. The next prime is 55408976111. The reversal of 55408976079 is 97067980455.

It is not a de Polignac number, because 55408976079 - 23 = 55408976071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55408976071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8588647 + ... + 8595095.

It is an arithmetic number, because the mean of its divisors is an integer number (4623843750).

Almost surely, 255408976079 is an apocalyptic number.

55408976079 is a deficient number, since it is larger than the sum of its proper divisors (18572523921).

55408976079 is a wasteful number, since it uses less digits than its factorization.

55408976079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9994.

The product of its (nonzero) digits is 19051200, while the sum is 60.

The spelling of 55408976079 in words is "fifty-five billion, four hundred eight million, nine hundred seventy-six thousand, seventy-nine".

Divisors: 1 3 1249 2293 3747 6449 6879 19347 2863957 8054801 8591871 14787557 24164403 44362671 18469658693 55408976079