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53500054775 = 522973793179
BaseRepresentation
bin110001110100110110…
…100000110011110111
312010002111210101011012
4301310312200303313
51334032003223100
640324431502435
73602531651036
oct616466406367
9163074711135
1053500054775
1120764428002
12a451087a1b
135077c2825b
14283750471d
1515d1cb3135
hexc74da0cf7

53500054775 has 12 divisors (see below), whose sum is σ = 68627657400. Its totient is φ = 41324179680.

The previous prime is 53500054747. The next prime is 53500054871. The reversal of 53500054775 is 57745000535.

It is not a de Polignac number, because 53500054775 - 220 = 53499006199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36895865 + ... + 36897314.

It is an arithmetic number, because the mean of its divisors is an integer number (5718971450).

Almost surely, 253500054775 is an apocalyptic number.

53500054775 is a deficient number, since it is larger than the sum of its proper divisors (15127602625).

53500054775 is a wasteful number, since it uses less digits than its factorization.

53500054775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73793218 (or 73793213 counting only the distinct ones).

The product of its (nonzero) digits is 367500, while the sum is 41.

The spelling of 53500054775 in words is "fifty-three billion, five hundred million, fifty-four thousand, seven hundred seventy-five".

Divisors: 1 5 25 29 145 725 73793179 368965895 1844829475 2140002191 10700010955 53500054775