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54788131 is a prime number
BaseRepresentation
bin1101000100000…
…0000000100011
310211002112012001
43101000000203
5103011210011
65234144431
71233456106
oct321000043
9124075161
1054788131
1128a21152
1216422117
13b473918
1473c273d
154c237c1
hex3440023

54788131 has 2 divisors, whose sum is σ = 54788132. Its totient is φ = 54788130.

The previous prime is 54788119. The next prime is 54788137. The reversal of 54788131 is 13188745.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54788131 - 25 = 54788099 is a prime.

It is a super-2 number, since 2×547881312 = 6003478596946322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54788137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27394065 + 27394066.

It is an arithmetic number, because the mean of its divisors is an integer number (27394066).

Almost surely, 254788131 is an apocalyptic number.

54788131 is a deficient number, since it is larger than the sum of its proper divisors (1).

54788131 is an equidigital number, since it uses as much as digits as its factorization.

54788131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 37.

The square root of 54788131 is about 7401.9004991961. The cubic root of 54788131 is about 379.8062978621.

The spelling of 54788131 in words is "fifty-four million, seven hundred eighty-eight thousand, one hundred thirty-one".