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54874513 is a prime number
BaseRepresentation
bin1101000101010…
…1000110010001
310211020220200101
43101111012101
5103021441023
65240052401
71234266001
oct321250621
9124226611
1054874513
1128a80041
1216464101
13b4a4035
147406001
154c3e1ad
hex3455191

54874513 has 2 divisors, whose sum is σ = 54874514. Its totient is φ = 54874512.

The previous prime is 54874511. The next prime is 54874553. The reversal of 54874513 is 31547845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31225744 + 23648769 = 5588^2 + 4863^2 .

It is a cyclic number.

It is not a de Polignac number, because 54874513 - 21 = 54874511 is a prime.

It is a super-2 number, since 2×548745132 = 6022424353974338, which contains 22 as substring.

Together with 54874511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54874511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27437256 + 27437257.

It is an arithmetic number, because the mean of its divisors is an integer number (27437257).

Almost surely, 254874513 is an apocalyptic number.

It is an amenable number.

54874513 is a deficient number, since it is larger than the sum of its proper divisors (1).

54874513 is an equidigital number, since it uses as much as digits as its factorization.

54874513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The square root of 54874513 is about 7407.7333240337. The cubic root of 54874513 is about 380.0058009271.

It can be divided in two parts, 5487 and 4513, that added together give a 4-th power (10000 = 104).

The spelling of 54874513 in words is "fifty-four million, eight hundred seventy-four thousand, five hundred thirteen".