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54257497 = 775110321
BaseRepresentation
bin1100111011111…
…0011101011001
310210002120021221
43032332131121
5102342214442
65214532041
71226116060
oct316763531
9123076257
1054257497
1128699508
1216207021
13b319238
1472c51d7
154b6b467
hex33be759

54257497 has 8 divisors (see below), whose sum is σ = 62097152. Its totient is φ = 46440000.

The previous prime is 54257479. The next prime is 54257501. The reversal of 54257497 is 79475245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54257497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54257197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97 + ... + 10417.

It is an arithmetic number, because the mean of its divisors is an integer number (7762144).

Almost surely, 254257497 is an apocalyptic number.

It is an amenable number.

54257497 is a deficient number, since it is larger than the sum of its proper divisors (7839655).

54257497 is a wasteful number, since it uses less digits than its factorization.

54257497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11079.

The product of its digits is 352800, while the sum is 43.

The square root of 54257497 is about 7365.9688432683. The cubic root of 54257497 is about 378.5761512303.

The spelling of 54257497 in words is "fifty-four million, two hundred fifty-seven thousand, four hundred ninety-seven".

Divisors: 1 7 751 5257 10321 72247 7751071 54257497