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54163631 is a prime number
BaseRepresentation
bin1100111010011…
…1100010101111
310202220210112102
43032213202233
5102331214011
65212525315
71225245314
oct316474257
9122823472
1054163631
1128634a35
121618083b
13b2b55b2
14729cd0b
154b4d73b
hex33a78af

54163631 has 2 divisors, whose sum is σ = 54163632. Its totient is φ = 54163630.

The previous prime is 54163607. The next prime is 54163639. The reversal of 54163631 is 13636145.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54163631 - 218 = 53901487 is a prime.

It is a super-3 number, since 3×541636313 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54163594 and 54163603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54163639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27081815 + 27081816.

It is an arithmetic number, because the mean of its divisors is an integer number (27081816).

Almost surely, 254163631 is an apocalyptic number.

54163631 is a deficient number, since it is larger than the sum of its proper divisors (1).

54163631 is an equidigital number, since it uses as much as digits as its factorization.

54163631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 54163631 is about 7359.5944861113. The cubic root of 54163631 is about 378.3577117340.

Adding to 54163631 its reverse (13636145), we get a palindrome (67799776).

The spelling of 54163631 in words is "fifty-four million, one hundred sixty-three thousand, six hundred thirty-one".