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55210542051 = 372647999289
BaseRepresentation
bin110011011010110011…
…100000001111100011
312021111201101010120210
4303122303200033203
51401032344321201
641210253305203
73663111602310
oct633263401743
9167451333523
1055210542051
1121461a03455
12a849a95203
13528b4070c2
14295a759d07
1516820391d6
hexcdace03e3

55210542051 has 16 divisors (see below), whose sum is σ = 84134374400. Its totient is φ = 31547371968.

The previous prime is 55210542043. The next prime is 55210542071. The reversal of 55210542051 is 15024501255.

It is not a de Polignac number, because 55210542051 - 23 = 55210542043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55210542071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506415 + ... + 605703.

It is an arithmetic number, because the mean of its divisors is an integer number (5258398400).

Almost surely, 255210542051 is an apocalyptic number.

55210542051 is a deficient number, since it is larger than the sum of its proper divisors (28923832349).

55210542051 is a wasteful number, since it uses less digits than its factorization.

55210542051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125778.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 55210542051 in words is "fifty-five billion, two hundred ten million, five hundred forty-two thousand, fifty-one".

Divisors: 1 3 7 21 26479 79437 99289 185353 297867 556059 695023 2085069 2629073431 7887220293 18403514017 55210542051