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53345413551 = 3172936068569
BaseRepresentation
bin110001101011101000…
…100110100110101111
312002200201210210021110
4301223220212212233
51333222411213201
640301225203103
73565643351013
oct615350464657
9162621723243
1053345413551
1120695105841
12a409330493
135051b92981
142820b6c543
1515c34186d6
hexc6ba269af

53345413551 has 16 divisors (see below), whose sum is σ = 77908111200. Its totient is φ = 32317436928.

The previous prime is 53345413529. The next prime is 53345413567. The reversal of 53345413551 is 15531454335.

It is not a de Polignac number, because 53345413551 - 26 = 53345413487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53345413501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18032806 + ... + 18035763.

It is an arithmetic number, because the mean of its divisors is an integer number (4869256950).

Almost surely, 253345413551 is an apocalyptic number.

53345413551 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

53345413551 is a deficient number, since it is larger than the sum of its proper divisors (24562697649).

53345413551 is a wasteful number, since it uses less digits than its factorization.

53345413551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36068618.

The product of its digits is 270000, while the sum is 39.

Adding to 53345413551 its reverse (15531454335), we get a palindrome (68876867886).

The spelling of 53345413551 in words is "fifty-three billion, three hundred forty-five million, four hundred thirteen thousand, five hundred fifty-one".

Divisors: 1 3 17 29 51 87 493 1479 36068569 108205707 613165673 1045988501 1839497019 3137965503 17781804517 53345413551