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54950549505 = 3517415255911
BaseRepresentation
bin110011001011010011…
…101101100000000001
312020211121011010212020
4303023103231200001
51400014320041010
641124404552053
73653503651455
oct631323554001
9166747133766
1054950549505
1121339175185
12a7969b2629
1352495a6367
142933ddc665
1516692ce470
hexccb4ed801

54950549505 has 32 divisors (see below), whose sum is σ = 95363267328. Its totient is φ = 26910259200.

The previous prime is 54950549503. The next prime is 54950549509. The reversal of 54950549505 is 50594505945.

It is a happy number.

It is not a de Polignac number, because 54950549505 - 21 = 54950549503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (54950549503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2617501 + ... + 2638410.

It is an arithmetic number, because the mean of its divisors is an integer number (2980102104).

Almost surely, 254950549505 is an apocalyptic number.

It is an amenable number.

54950549505 is a deficient number, since it is larger than the sum of its proper divisors (40412717823).

54950549505 is a wasteful number, since it uses less digits than its factorization.

54950549505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255977.

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 54950549505 in words is "fifty-four billion, nine hundred fifty million, five hundred forty-nine thousand, five hundred five".

Divisors: 1 3 5 15 17 41 51 85 123 205 255 615 697 2091 3485 10455 5255911 15767733 26279555 78838665 89350487 215492351 268051461 446752435 646477053 1077461755 1340257305 3232385265 3663369967 10990109901 18316849835 54950549505