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53454857 = 419713441
BaseRepresentation
bin1100101111101…
…0100000001001
310201120210021112
43023322200021
5102141023412
65145420105
71216234031
oct313724011
9121523245
1053454857
11281a0475
1215a9a635
13b0c7ac1
1471568c1
154a5d722
hex32fa809

53454857 has 8 divisors (see below), whose sum is σ = 55327272. Its totient is φ = 51609600.

The previous prime is 53454853. The next prime is 53454871. The reversal of 53454857 is 75845435.

It can be written as a sum of positive squares in 4 ways, for example, as 732736 + 52722121 = 856^2 + 7261^2 .

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 53454857 - 22 = 53454853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53454853) 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, 2744 + ... + 10697.

It is an arithmetic number, because the mean of its divisors is an integer number (6915909).

Almost surely, 253454857 is an apocalyptic number.

It is an amenable number.

53454857 is a deficient number, since it is larger than the sum of its proper divisors (1872415).

53454857 is a wasteful number, since it uses less digits than its factorization.

53454857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13579.

The product of its digits is 336000, while the sum is 41.

The square root of 53454857 is about 7311.2828559699. The cubic root of 53454857 is about 376.7000900545.

The spelling of 53454857 in words is "fifty-three million, four hundred fifty-four thousand, eight hundred fifty-seven".

Divisors: 1 41 97 3977 13441 551081 1303777 53454857