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55756265755 = 5211370914249
BaseRepresentation
bin110011111011010101…
…010001100100011011
312022220202020202202211
4303323111101210123
51403142101001010
641340350135551
74012456303441
oct637325214433
9168822222684
1055756265755
1121711a5a783
12a9807b15b7
1353474ab038
1429ad014b91
1516b4dd508a
hexcfb55191b

55756265755 has 16 divisors (see below), whose sum is σ = 67247460000. Its totient is φ = 44378530560.

The previous prime is 55756265693. The next prime is 55756265759.

55756265755 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2k-55756265755 is a prime.

It is a super-2 number, since 2×557562657552 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55756265755.

It is not an unprimeable number, because it can be changed into a prime (55756265759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3905871 + ... + 3920119.

It is an arithmetic number, because the mean of its divisors is an integer number (4202966250).

Almost surely, 255756265755 is an apocalyptic number.

55756265755 is a deficient number, since it is larger than the sum of its proper divisors (11491194245).

55756265755 is a wasteful number, since it uses less digits than its factorization.

55756265755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18174.

The product of its digits is 55125000, while the sum is 58.

The spelling of 55756265755 in words is "fifty-five billion, seven hundred fifty-six million, two hundred sixty-five thousand, seven hundred fifty-five".

Divisors: 1 5 211 1055 3709 14249 18545 71245 782599 3006539 3912995 15032695 52849541 264247705 11151253151 55756265755