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53213445551441 = 77601920793063
BaseRepresentation
bin11000001100101101110001…
…00001001111010101010001
320222102011012111220000020002
430012112320201033111101
523433322114030121231
6305101530331455345
714131354534060520
oct1406267041172521
9228364174800202
1053213445551441
1115a5677181884a
125b751572b7555
132390011043936
14d1d78a1ac4b7
1562430ce3a0cb
hex3065b884f551

53213445551441 has 4 divisors (see below), whose sum is σ = 60815366344512. Its totient is φ = 45611524758372.

The previous prime is 53213445551393. The next prime is 53213445551447. The reversal of 53213445551441 is 14415554431235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53213445551441 - 226 = 53213378442577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53213445551447) 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, 3800960396525 + ... + 3800960396538.

It is an arithmetic number, because the mean of its divisors is an integer number (15203841586128).

Almost surely, 253213445551441 is an apocalyptic number.

It is an amenable number.

53213445551441 is a deficient number, since it is larger than the sum of its proper divisors (7601920793071).

53213445551441 is an equidigital number, since it uses as much as digits as its factorization.

53213445551441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601920793070.

The product of its digits is 2880000, while the sum is 47.

Adding to 53213445551441 its reverse (14415554431235), we get a palindrome (67628999982676).

The spelling of 53213445551441 in words is "fifty-three trillion, two hundred thirteen billion, four hundred forty-five million, five hundred fifty-one thousand, four hundred forty-one".

Divisors: 1 7 7601920793063 53213445551441