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54067557 = 3140912791
BaseRepresentation
bin1100111001000…
…0000101100101
310202201220202010
43032100011211
5102320130212
65210504433
71224365235
oct316200545
9122656663
1054067557
1128579835
1216135119
13b28094b
147275cc5
154b3003c
hex3390165

54067557 has 8 divisors (see below), whose sum is σ = 72146880. Its totient is φ = 36016640.

The previous prime is 54067553. The next prime is 54067577. The reversal of 54067557 is 75576045.

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

It is a cyclic number.

It is not a de Polignac number, because 54067557 - 22 = 54067553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54067553) 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 in 7 ways as a sum of consecutive naturals, for example, 2169 + ... + 10622.

It is an arithmetic number, because the mean of its divisors is an integer number (9018360).

Almost surely, 254067557 is an apocalyptic number.

It is an amenable number.

54067557 is a deficient number, since it is larger than the sum of its proper divisors (18079323).

54067557 is a wasteful number, since it uses less digits than its factorization.

54067557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14203.

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 54067557 is about 7353.0644632017. The cubic root of 54067557 is about 378.1338724053.

The spelling of 54067557 in words is "fifty-four million, sixty-seven thousand, five hundred fifty-seven".

Divisors: 1 3 1409 4227 12791 38373 18022519 54067557