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54732057 = 318244019
BaseRepresentation
bin1101000011001…
…0010100011001
310210222200021020
43100302110121
5103002411212
65233033053
71233133452
oct320622431
9123880236
1054732057
1128993006
12163b5789
13b454243
1473aa129
154c11d8c
hex3432519

54732057 has 4 divisors (see below), whose sum is σ = 72976080. Its totient is φ = 36488036.

The previous prime is 54732053. The next prime is 54732091. The reversal of 54732057 is 75023745.

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 not a de Polignac number, because 54732057 - 22 = 54732053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54732053) 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 3 ways as a sum of consecutive naturals, for example, 9122007 + ... + 9122012.

It is an arithmetic number, because the mean of its divisors is an integer number (18244020).

Almost surely, 254732057 is an apocalyptic number.

It is an amenable number.

54732057 is a deficient number, since it is larger than the sum of its proper divisors (18244023).

54732057 is a wasteful number, since it uses less digits than its factorization.

54732057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18244022.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 54732057 is about 7398.1117185401. Note that the first 3 decimals coincide. The cubic root of 54732057 is about 379.6766802011.

The spelling of 54732057 in words is "fifty-four million, seven hundred thirty-two thousand, fifty-seven".

Divisors: 1 3 18244019 54732057