Search a number
-
+
53255265979 is a prime number
BaseRepresentation
bin110001100110010000…
…101101111010111011
312002110110011211001111
4301212100231322323
51333031322002404
640244245101151
73563500202056
oct614620557273
9162413154044
1053255265979
1120649233613
12a3a30b77b7
1350392bb806
142812bc3a9d
1515ba55d104
hexc6642debb

53255265979 has 2 divisors, whose sum is σ = 53255265980. Its totient is φ = 53255265978.

The previous prime is 53255265971. The next prime is 53255265997. The reversal of 53255265979 is 97956255235.

Together with next prime (53255265997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53255265979 - 23 = 53255265971 is a prime.

It is a super-2 number, since 2×532552659792 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53255265971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26627632989 + 26627632990.

It is an arithmetic number, because the mean of its divisors is an integer number (26627632990).

Almost surely, 253255265979 is an apocalyptic number.

53255265979 is a deficient number, since it is larger than the sum of its proper divisors (1).

53255265979 is an equidigital number, since it uses as much as digits as its factorization.

53255265979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25515000, while the sum is 58.

The spelling of 53255265979 in words is "fifty-three billion, two hundred fifty-five million, two hundred sixty-five thousand, nine hundred seventy-nine".