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53030050553 = 514710303099
BaseRepresentation
bin110001011000110101…
…100101101011111001
312001212202101200120102
4301120311211223321
51332101143104203
640210042005145
73555063664244
oct613065455371
9161782350512
1053030050553
1120543098967
12a33b7a67b5
13500174624c
1427d0d1a25b
1515a58c2888
hexc58d65af9

53030050553 has 4 divisors (see below), whose sum is σ = 53040358800. Its totient is φ = 53019742308.

The previous prime is 53030050537. The next prime is 53030050559. The reversal of 53030050553 is 35505003035.

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 cyclic number.

It is not a de Polignac number, because 53030050553 - 24 = 53030050537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53030050559) 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, 5146403 + ... + 5156696.

It is an arithmetic number, because the mean of its divisors is an integer number (13260089700).

Almost surely, 253030050553 is an apocalyptic number.

It is an amenable number.

53030050553 is a deficient number, since it is larger than the sum of its proper divisors (10308247).

53030050553 is a wasteful number, since it uses less digits than its factorization.

53030050553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10308246.

The product of its (nonzero) digits is 16875, while the sum is 29.

Adding to 53030050553 its reverse (35505003035), we get a palindrome (88535053588).

The spelling of 53030050553 in words is "fifty-three billion, thirty million, fifty thousand, five hundred fifty-three".

Divisors: 1 5147 10303099 53030050553