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53422553 = 295931223
BaseRepresentation
bin1100101111001…
…0100111011001
310201112010222002
43023302213121
5102134010203
65145010345
71216040612
oct313624731
9121463862
1053422553
1128179178
1215a839b5
13b0b61a2
147148c09
154a53d88
hex32f29d9

53422553 has 8 divisors (see below), whose sum is σ = 56203200. Its totient is φ = 50704528.

The previous prime is 53422541. The next prime is 53422571. The reversal of 53422553 is 35522435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53422553 - 26 = 53422489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53422513) 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, 13901 + ... + 17322.

It is an arithmetic number, because the mean of its divisors is an integer number (7025400).

Almost surely, 253422553 is an apocalyptic number.

It is an amenable number.

53422553 is a deficient number, since it is larger than the sum of its proper divisors (2780647).

53422553 is a wasteful number, since it uses less digits than its factorization.

53422553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31311.

The product of its digits is 18000, while the sum is 29.

The square root of 53422553 is about 7309.0733338776. The cubic root of 53422553 is about 376.6241919196.

Adding to 53422553 its reverse (35522435), we get a palindrome (88944988).

The spelling of 53422553 in words is "fifty-three million, four hundred twenty-two thousand, five hundred fifty-three".

Divisors: 1 29 59 1711 31223 905467 1842157 53422553