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55101060551 = 313176041727
BaseRepresentation
bin110011010100010001…
…110111010111000111
312021020002100220012102
4303110101313113013
51400321332414201
641151342542315
73660312200255
oct632421672707
9167202326172
1055101060551
1121406126379
12a81929799b
135271823a54
142949dbb5d5
15167761026b
hexcd44775c7

55101060551 has 4 divisors (see below), whose sum is σ = 55277102592. Its totient is φ = 54925018512.

The previous prime is 55101060527. The next prime is 55101060629. The reversal of 55101060551 is 15506010155.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15506010155 = 53101202031.

It is a cyclic number.

It is not a de Polignac number, because 55101060551 - 218 = 55100798407 is a prime.

It is a super-2 number, since 2×551010605512 (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 (55101060251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88020551 + ... + 88021176.

It is an arithmetic number, because the mean of its divisors is an integer number (13819275648).

Almost surely, 255101060551 is an apocalyptic number.

55101060551 is a deficient number, since it is larger than the sum of its proper divisors (176042041).

55101060551 is a wasteful number, since it uses less digits than its factorization.

55101060551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176042040.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 55101060551 in words is "fifty-five billion, one hundred one million, sixty thousand, five hundred fifty-one".

Divisors: 1 313 176041727 55101060551