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55111351351 = 754114552773
BaseRepresentation
bin110011010100111001…
…000111110000110111
312021020210201201112011
4303110321013300313
51400332001220401
641152351305051
73660465520510
oct632471076067
9167223651464
1055111351351
1121410a14a71
12a82081b187
1352739b7a94
14294b4d9a07
151678494451
hexcd4e47c37

55111351351 has 8 divisors (see below), whose sum is σ = 63100828064. Its totient is φ = 47150981280.

The previous prime is 55111351343. The next prime is 55111351391. The reversal of 55111351351 is 15315311155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55111351351 - 23 = 55111351343 is a prime.

It is a super-2 number, since 2×551113513512 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55111351391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7272600 + ... + 7280173.

It is an arithmetic number, because the mean of its divisors is an integer number (7887603508).

Almost surely, 255111351351 is an apocalyptic number.

55111351351 is a deficient number, since it is larger than the sum of its proper divisors (7989476713).

55111351351 is a wasteful number, since it uses less digits than its factorization.

55111351351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14553321.

The product of its digits is 5625, while the sum is 31.

The spelling of 55111351351 in words is "fifty-five billion, one hundred eleven million, three hundred fifty-one thousand, three hundred fifty-one".

Divisors: 1 7 541 3787 14552773 101869411 7873050193 55111351351