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57054227 = 177434517
BaseRepresentation
bin1101100110100…
…1010000010011
310222100122200112
43121221100103
5104101213402
65354511535
71261644566
oct331512023
9128318615
1057054227
112a22975a
12171355ab
13ba881c9
1478124dd
15501ee52
hex3669413

57054227 has 8 divisors (see below), whose sum is σ = 60505056. Its totient is φ = 53613952.

The previous prime is 57054211. The next prime is 57054253. The reversal of 57054227 is 72245075.

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 57054227 - 24 = 57054211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57054193 and 57054202.

It is not an unprimeable number, because it can be changed into a prime (57054427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10373 + ... + 14889.

It is an arithmetic number, because the mean of its divisors is an integer number (7563132).

Almost surely, 257054227 is an apocalyptic number.

57054227 is a deficient number, since it is larger than the sum of its proper divisors (3450829).

57054227 is a wasteful number, since it uses less digits than its factorization.

57054227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 57054227 is about 7553.4248523435. The cubic root of 57054227 is about 384.9721169439.

The spelling of 57054227 in words is "fifty-seven million, fifty-four thousand, two hundred twenty-seven".

Divisors: 1 17 743 4517 12631 76789 3356131 57054227