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52054555 = 571487273
BaseRepresentation
bin1100011010010…
…0101000011011
310121221122102111
43012210220123
5101311221210
65055413151
71201312360
oct306445033
9117848374
1052054555
11274243a3
12155241b7
13aa27617
146cb0467
15488388a
hex31a4a1b

52054555 has 8 divisors (see below), whose sum is σ = 71389152. Its totient is φ = 35694528.

The previous prime is 52054517. The next prime is 52054559. The reversal of 52054555 is 55545025.

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 52054555 - 217 = 51923483 is a prime.

It is a super-3 number, since 3×520545553 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52054559) 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, 743602 + ... + 743671.

It is an arithmetic number, because the mean of its divisors is an integer number (8923644).

Almost surely, 252054555 is an apocalyptic number.

52054555 is a deficient number, since it is larger than the sum of its proper divisors (19334597).

52054555 is a wasteful number, since it uses less digits than its factorization.

52054555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487285.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 52054555 is about 7214.8842679561. The cubic root of 52054555 is about 373.3816002823.

The spelling of 52054555 in words is "fifty-two million, fifty-four thousand, five hundred fifty-five".

Divisors: 1 5 7 35 1487273 7436365 10410911 52054555