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55072949075 = 522432990547
BaseRepresentation
bin110011010010100110…
…101000001101010011
312021011010110200111122
4303102212220031103
51400242133332300
641144500232455
73656521225514
oct632246501523
9167133420448
1055072949075
11213a1275851
12a80b99b72b
135268a60541
142946380a0b
151674e0ac85
hexcd29a8353

55072949075 has 12 divisors (see below), whose sum is σ = 68294018040. Its totient is φ = 44056061760.

The previous prime is 55072949027. The next prime is 55072949077. The reversal of 55072949075 is 57094927055.

It is not a de Polignac number, because 55072949075 - 216 = 55072883539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55072949077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562952 + ... + 653498.

It is an arithmetic number, because the mean of its divisors is an integer number (5691168170).

Almost surely, 255072949075 is an apocalyptic number.

55072949075 is a deficient number, since it is larger than the sum of its proper divisors (13221068965).

55072949075 is a wasteful number, since it uses less digits than its factorization.

55072949075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114886 (or 114881 counting only the distinct ones).

The product of its (nonzero) digits is 3969000, while the sum is 53.

The spelling of 55072949075 in words is "fifty-five billion, seventy-two million, nine hundred forty-nine thousand, seventy-five".

Divisors: 1 5 25 24329 90547 121645 452735 608225 2263675 2202917963 11014589815 55072949075