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52053231055 = 575346360607
BaseRepresentation
bin110000011110100111…
…010100010111001111
311222100200100010010111
4300132213110113033
51323101111343210
635525105220451
73521633110060
oct603647242717
9158320303114
1052053231055
1120091767a21
12a108631727
134ba7264047
14273b2c4567
151549c6e88a
hexc1e9d45cf

52053231055 has 32 divisors (see below), whose sum is σ = 72892514304. Its totient is φ = 34943965056.

The previous prime is 52053231053. The next prime is 52053231067. The reversal of 52053231055 is 55013235025.

It is not a de Polignac number, because 52053231055 - 21 = 52053231053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52053231053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 828562 + ... + 889168.

It is an arithmetic number, because the mean of its divisors is an integer number (2277891072).

Almost surely, 252053231055 is an apocalyptic number.

52053231055 is a deficient number, since it is larger than the sum of its proper divisors (20839283249).

52053231055 is a wasteful number, since it uses less digits than its factorization.

52053231055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61135.

The product of its (nonzero) digits is 22500, while the sum is 31.

The spelling of 52053231055 in words is "fifty-two billion, fifty-three million, two hundred thirty-one thousand, fifty-five".

Divisors: 1 5 7 35 53 265 371 463 1855 2315 3241 16205 24539 60607 122695 171773 303035 424249 858865 2121245 3212171 16060855 22485197 28061041 112425985 140305205 196427287 982136435 1487235173 7436175865 10410646211 52053231055