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54908131 is a prime number
BaseRepresentation
bin1101000101110…
…1010011100011
310211022121210111
43101131103203
5103024030011
65240512151
71234466005
oct321352343
9124277714
1054908131
1128aa3323
121647b657
13b4b6425
147414375
154c49121
hex345d4e3

54908131 has 2 divisors, whose sum is σ = 54908132. Its totient is φ = 54908130.

The previous prime is 54908101. The next prime is 54908137. The reversal of 54908131 is 13180945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54908131 - 223 = 46519523 is a prime.

It is a super-2 number, since 2×549081312 = 6029805699826322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54908093 and 54908102.

It is not a weakly prime, because it can be changed into another prime (54908137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27454065 + 27454066.

It is an arithmetic number, because the mean of its divisors is an integer number (27454066).

Almost surely, 254908131 is an apocalyptic number.

54908131 is a deficient number, since it is larger than the sum of its proper divisors (1).

54908131 is an equidigital number, since it uses as much as digits as its factorization.

54908131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 54908131 is about 7410.0020917676. The cubic root of 54908131 is about 380.0833865943.

Subtracting from 54908131 its sum of digits (31), we obtain a square (54908100 = 74102).

The spelling of 54908131 in words is "fifty-four million, nine hundred eight thousand, one hundred thirty-one".