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55087575451 is a prime number
BaseRepresentation
bin110011010011011110…
…011011000110011011
312021012010222210010021
4303103132123012123
51400304404403301
641150141531311
73660056444146
oct632336330633
9167163883107
1055087575451
11213a9555867
12a814873b37
13526bab1abc
1429482ab05d
1516763498a1
hexcd379b19b

55087575451 has 2 divisors, whose sum is σ = 55087575452. Its totient is φ = 55087575450.

The previous prime is 55087575383. The next prime is 55087575457. The reversal of 55087575451 is 15457578055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55087575451 - 221 = 55085478299 is a prime.

It is a super-3 number, since 3×550875754513 (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (55087575457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27543787725 + 27543787726.

It is an arithmetic number, because the mean of its divisors is an integer number (27543787726).

Almost surely, 255087575451 is an apocalyptic number.

55087575451 is a deficient number, since it is larger than the sum of its proper divisors (1).

55087575451 is an equidigital number, since it uses as much as digits as its factorization.

55087575451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4900000, while the sum is 52.

The spelling of 55087575451 in words is "fifty-five billion, eighty-seven million, five hundred seventy-five thousand, four hundred fifty-one".