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55246040775 = 3252245537959
BaseRepresentation
bin110011011100111010…
…111010111011000111
312021121012011122200100
4303130322322323013
51401120441301100
641214002215143
73664022412162
oct633472727307
9167535148610
1055246040775
112147aa4a142
12a8599544b3
135295885b73
14296135aad9
1516851ec400
hexcdcebaec7

55246040775 has 18 divisors (see below), whose sum is σ = 98951797880. Its totient is φ = 29464554960.

The previous prime is 55246040741. The next prime is 55246040813. The reversal of 55246040775 is 57704064255.

It is not a de Polignac number, because 55246040775 - 29 = 55246040263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55246040775.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 122768755 + ... + 122769204.

Almost surely, 255246040775 is an apocalyptic number.

55246040775 is a deficient number, since it is larger than the sum of its proper divisors (43705757105).

55246040775 is a wasteful number, since it uses less digits than its factorization.

55246040775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245537975 (or 245537967 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The spelling of 55246040775 in words is "fifty-five billion, two hundred forty-six million, forty thousand, seven hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 75 225 245537959 736613877 1227689795 2209841631 3683069385 6138448975 11049208155 18415346925 55246040775