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53275555831 = 141733758947
BaseRepresentation
bin110001100111011110…
…000111011111110111
312002111212100122111111
4301213132013133313
51333102020241311
640250252015451
73564134516131
oct614736073767
9162455318444
1053275555831
1120659731693
12a3a9a61587
135040573b44
142815786051
1515bc219d21
hexc677877f7

53275555831 has 4 divisors (see below), whose sum is σ = 53279328952. Its totient is φ = 53271782712.

The previous prime is 53275555829. The next prime is 53275555849. The reversal of 53275555831 is 13855557235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53275555831 - 21 = 53275555829 is a prime.

It is a super-2 number, since 2×532755558312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53275555231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1865301 + ... + 1893646.

It is an arithmetic number, because the mean of its divisors is an integer number (13319832238).

Almost surely, 253275555831 is an apocalyptic number.

53275555831 is a deficient number, since it is larger than the sum of its proper divisors (3773121).

53275555831 is a wasteful number, since it uses less digits than its factorization.

53275555831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773120.

The product of its digits is 3150000, while the sum is 49.

The spelling of 53275555831 in words is "fifty-three billion, two hundred seventy-five million, five hundred fifty-five thousand, eight hundred thirty-one".

Divisors: 1 14173 3758947 53275555831