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53091561053 = 195926711981
BaseRepresentation
bin110001011100100000…
…001110111001011101
312002001001010202010002
4301130200032321131
51332212414423203
640220120224045
73556441552166
oct613440167135
9162031122102
1053091561053
1120574890693
12a35830b025
1350114018ab
1427d916c76d
1515aaec2d88
hexc5c80ee5d

53091561053 has 24 divisors (see below), whose sum is σ = 57702436320. Its totient is φ = 48702725280.

The previous prime is 53091561011. The next prime is 53091561073. The reversal of 53091561053 is 35016519035.

53091561053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53091561053 - 26 = 53091560989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53091560998 and 53091561016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53091561073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4425323 + ... + 4437303.

It is an arithmetic number, because the mean of its divisors is an integer number (2404268180).

Almost surely, 253091561053 is an apocalyptic number.

It is an amenable number.

53091561053 is a deficient number, since it is larger than the sum of its proper divisors (4610875267).

53091561053 is a wasteful number, since it uses less digits than its factorization.

53091561053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12185 (or 12126 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 38.

The spelling of 53091561053 in words is "fifty-three billion, ninety-one million, five hundred sixty-one thousand, fifty-three".

Divisors: 1 19 59 67 1121 1273 3481 3953 11981 66139 75107 227639 233227 706879 802727 4431313 13430701 15251813 41705861 47360893 792411359 899856967 2794292687 53091561053