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53053075921 = 1031792877533
BaseRepresentation
bin110001011010001101…
…011011000111010001
312001221100201111102211
4301122031123013101
51332123041412141
640212223312121
73555463463506
oct613215330721
9161840644384
1053053075921
112055509519a
12a34744b641
135006448721
1427d3dd14ad
1515a791ed81
hexc5a35b1d1

53053075921 has 8 divisors (see below), whose sum is σ = 53867436480. Its totient is φ = 52244470992.

The previous prime is 53053075877. The next prime is 53053075927. The reversal of 53053075921 is 12957035035.

53053075921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53053075921 - 219 = 53052551633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53053075927) 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, 1420330 + ... + 1457203.

It is an arithmetic number, because the mean of its divisors is an integer number (6733429560).

Almost surely, 253053075921 is an apocalyptic number.

It is an amenable number.

53053075921 is a deficient number, since it is larger than the sum of its proper divisors (814360559).

53053075921 is a wasteful number, since it uses less digits than its factorization.

53053075921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877815.

The product of its (nonzero) digits is 141750, while the sum is 40.

The spelling of 53053075921 in words is "fifty-three billion, fifty-three million, seventy-five thousand, nine hundred twenty-one".

Divisors: 1 103 179 18437 2877533 296385899 515078407 53053075921