Search a number
-
+
53225713439 = 83116404249
BaseRepresentation
bin110001100100011111…
…111110111100011111
312002101101120101120222
4301210133332330133
51333001240312224
640241311431555
73562661046053
oct614437767437
9162341511528
1053225713439
1120633589328
12a3952255bb
1350331423c2
14280cccdc63
1515b7b71b5e
hexc647fef1f

53225713439 has 4 divisors (see below), whose sum is σ = 53232126000. Its totient is φ = 53219300880.

The previous prime is 53225713433. The next prime is 53225713451. The reversal of 53225713439 is 93431752235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53225713439 - 216 = 53225647903 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 53225713439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53225713433) 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, 3193814 + ... + 3210435.

It is an arithmetic number, because the mean of its divisors is an integer number (13308031500).

Almost surely, 253225713439 is an apocalyptic number.

53225713439 is a deficient number, since it is larger than the sum of its proper divisors (6412561).

53225713439 is an equidigital number, since it uses as much as digits as its factorization.

53225713439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412560.

The product of its digits is 680400, while the sum is 44.

The spelling of 53225713439 in words is "fifty-three billion, two hundred twenty-five million, seven hundred thirteen thousand, four hundred thirty-nine".

Divisors: 1 8311 6404249 53225713439