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55203132153 = 3134332917789
BaseRepresentation
bin110011011010010111…
…001111001011111001
312021111012102200010010
4303122113033023321
51401024000212103
641205430412133
73662661611151
oct633227171371
9167435380103
1055203132153
1121458802274
12a847501049
135289a11450
14295978b761
151681573903
hexcda5cf2f9

55203132153 has 16 divisors (see below), whose sum is σ = 81109434560. Its totient is φ = 33181130304.

The previous prime is 55203132121. The next prime is 55203132157. The reversal of 55203132153 is 35123130255.

It is not a de Polignac number, because 55203132153 - 25 = 55203132121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55203132153.

It is not an unprimeable number, because it can be changed into a prime (55203132157) 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, 16457218 + ... + 16460571.

It is an arithmetic number, because the mean of its divisors is an integer number (5069339660).

Almost surely, 255203132153 is an apocalyptic number.

It is an amenable number.

55203132153 is a deficient number, since it is larger than the sum of its proper divisors (25906302407).

55203132153 is a wasteful number, since it uses less digits than its factorization.

55203132153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32917848.

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 55203132153 in words is "fifty-five billion, two hundred three million, one hundred thirty-two thousand, one hundred fifty-three".

Divisors: 1 3 13 39 43 129 559 1677 32917789 98753367 427931257 1283793771 1415464927 4246394781 18401044051 55203132153