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54631690541 is a prime number
BaseRepresentation
bin110010111000010011…
…010111000100101101
312020000101011102120222
4302320103113010231
51343341203044131
641033014421125
73642552464501
oct627023270455
9166011142528
1054631690541
112119518a77a
12a7080617a5
1351c850460c
14290391a301
15164b2e787b
hexcb84d712d

54631690541 has 2 divisors, whose sum is σ = 54631690542. Its totient is φ = 54631690540.

The previous prime is 54631690511. The next prime is 54631690577. The reversal of 54631690541 is 14509613645.

54631690541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52363168900 + 2268521641 = 228830^2 + 47629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54631690541 is a prime.

It is a super-2 number, since 2×546316905412 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54631690492 and 54631690501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54631690511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27315845270 + 27315845271.

It is an arithmetic number, because the mean of its divisors is an integer number (27315845271).

Almost surely, 254631690541 is an apocalyptic number.

It is an amenable number.

54631690541 is a deficient number, since it is larger than the sum of its proper divisors (1).

54631690541 is an equidigital number, since it uses as much as digits as its factorization.

54631690541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 54631690541 in words is "fifty-four billion, six hundred thirty-one million, six hundred ninety thousand, five hundred forty-one".