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53211058479 = 3213734306147
BaseRepresentation
bin110001100011101000…
…000101000100101111
312002100100222211202200
4301203220011010233
51332434012332404
640240025352543
73562422351165
oct614350050457
9162310884680
1053211058479
1120626289897
12a390338753
1350300b0b27
14280ad97235
1515b6729839
hexc63a0512f

53211058479 has 12 divisors (see below), whose sum is σ = 76916415576. Its totient is φ = 35448193872.

The previous prime is 53211058469. The next prime is 53211058487. The reversal of 53211058479 is 97485011235.

53211058479 is a `hidden beast` number, since 53 + 2 + 1 + 10 + 584 + 7 + 9 = 666.

It is not a de Polignac number, because 53211058479 - 25 = 53211058447 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53211058469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2140717 + ... + 2165430.

It is an arithmetic number, because the mean of its divisors is an integer number (6409701298).

Almost surely, 253211058479 is an apocalyptic number.

53211058479 is a deficient number, since it is larger than the sum of its proper divisors (23705357097).

53211058479 is a wasteful number, since it uses less digits than its factorization.

53211058479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307526 (or 4307523 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 53211058479 in words is "fifty-three billion, two hundred eleven million, fifty-eight thousand, four hundred seventy-nine".

Divisors: 1 3 9 1373 4119 12357 4306147 12918441 38755323 5912339831 17737019493 53211058479