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52370553 = 317456851
BaseRepresentation
bin1100011111000…
…1110001111001
310122112200220010
43013301301321
5101401324203
65110252133
71204066554
oct307616171
9118480803
1052370553
112761a854
1215657049
13ab083c1
146d5369b
1548e7303
hex31f1c79

52370553 has 4 divisors (see below), whose sum is σ = 69827408. Its totient is φ = 34913700.

The previous prime is 52370531. The next prime is 52370581. The reversal of 52370553 is 35507325.

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 de Polignac number, because none of the positive numbers 2k-52370553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52370553.

It is not an unprimeable number, because it can be changed into a prime (52370753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8728423 + ... + 8728428.

It is an arithmetic number, because the mean of its divisors is an integer number (17456852).

Almost surely, 252370553 is an apocalyptic number.

It is an amenable number.

52370553 is a deficient number, since it is larger than the sum of its proper divisors (17456855).

52370553 is a wasteful number, since it uses less digits than its factorization.

52370553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17456854.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 52370553 is about 7236.7501684112. The cubic root of 52370553 is about 374.1356162171.

Adding to 52370553 its reverse (35507325), we get a palindrome (87877878).

The spelling of 52370553 in words is "fifty-two million, three hundred seventy thousand, five hundred fifty-three".

Divisors: 1 3 17456851 52370553