Search a number
-
+
53453902401 = 3685632
BaseRepresentation
bin110001110010000110…
…011101001001000001
312002222021221121000000
4301302012131021001
51333433144334101
640320102350213
73601431450024
oct616206351101
9162867847000
1053453902401
1120740375049
12a43972b369
13506b4b9263
14283132d1bb
1515ccbe8486
hexc7219d241

53453902401 has 21 divisors (see below), whose sum is σ = 80153551569. Its totient is φ = 35631773316.

The previous prime is 53453902391. The next prime is 53453902409. The reversal of 53453902401 is 10420935435.

The square root of 53453902401 is 231201.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 53453902401 - 29 = 53453901889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53453902409) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 6238146 + ... + 6246708.

It is an arithmetic number, because the mean of its divisors is an integer number (3816835789).

Almost surely, 253453902401 is an apocalyptic number.

53453902401 is the 231201-st square number.

53453902401 is the 115601-st centered octagonal number.

It is an amenable number.

53453902401 is a deficient number, since it is larger than the sum of its proper divisors (26699649168).

53453902401 is an frugal number, since it uses more digits than its factorization.

53453902401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17144 (or 8566 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Multiplying 53453902401 by its sum of digits (36), we get a square (1924340486436 = 13872062).

The spelling of 53453902401 in words is "fifty-three billion, four hundred fifty-three million, nine hundred two thousand, four hundred one".

Divisors: 1 3 9 27 81 243 729 8563 25689 77067 231201 693603 2080809 6242427 73324969 219974907 659924721 1979774163 5939322489 17817967467 53453902401