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53454045431 is a prime number
BaseRepresentation
bin110001110010000111…
…000000000011110111
312002222022012212012102
4301302013000003313
51333433213423211
640320105412315
73601432614023
oct616207000367
9162868185172
1053454045431
1120740462556
12a43979a09b
13506b5393a7
142831369383
1515ccc25a3b
hexc721c00f7

53454045431 has 2 divisors, whose sum is σ = 53454045432. Its totient is φ = 53454045430.

The previous prime is 53454045389. The next prime is 53454045443. The reversal of 53454045431 is 13454045435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53454045431 - 210 = 53454044407 is a prime.

It is a super-2 number, since 2×534540454312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53454045461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26727022715 + 26727022716.

It is an arithmetic number, because the mean of its divisors is an integer number (26727022716).

Almost surely, 253454045431 is an apocalyptic number.

53454045431 is a deficient number, since it is larger than the sum of its proper divisors (1).

53454045431 is an equidigital number, since it uses as much as digits as its factorization.

53454045431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 53454045431 in words is "fifty-three billion, four hundred fifty-four million, forty-five thousand, four hundred thirty-one".