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54451057 = 373914563
BaseRepresentation
bin1100111110110…
…1101101110001
310210110101210211
43033231231301
5102414413212
65223024121
71230553303
oct317555561
9123411724
1054451057
1128810981
121629b041
13b38637b
147335973
154ba89a7
hex33edb71

54451057 has 4 divisors (see below), whose sum is σ = 54469360. Its totient is φ = 54432756.

The previous prime is 54451043. The next prime is 54451069. The reversal of 54451057 is 75015445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54451057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54457057) 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 3 ways as a sum of consecutive naturals, for example, 3543 + ... + 11020.

It is an arithmetic number, because the mean of its divisors is an integer number (13617340).

Almost surely, 254451057 is an apocalyptic number.

It is an amenable number.

54451057 is a deficient number, since it is larger than the sum of its proper divisors (18303).

54451057 is a wasteful number, since it uses less digits than its factorization.

54451057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18302.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 54451057 is about 7379.0959473366. The cubic root of 54451057 is about 379.0257986769.

The spelling of 54451057 in words is "fifty-four million, four hundred fifty-one thousand, fifty-seven".

Divisors: 1 3739 14563 54451057