Search a number
-
+
53012555405 = 519558026899
BaseRepresentation
bin110001010111110010…
…110110011010001101
312001211112110211201222
4301113302312122031
51332032203233110
640204215013125
73554462200055
oct612762663215
9161745424658
1053012555405
1120534229567
12a33596a1a5
134ccac2bca4
1427cc884565
1515a40b8c55
hexc57cb668d

53012555405 has 8 divisors (see below), whose sum is σ = 66963228000. Its totient is φ = 40177936656.

The previous prime is 53012555389. The next prime is 53012555441. The reversal of 53012555405 is 50455521035.

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 53012555405 - 24 = 53012555389 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279013355 + ... + 279013544.

It is an arithmetic number, because the mean of its divisors is an integer number (8370403500).

Almost surely, 253012555405 is an apocalyptic number.

It is an amenable number.

53012555405 is a deficient number, since it is larger than the sum of its proper divisors (13950672595).

53012555405 is a wasteful number, since it uses less digits than its factorization.

53012555405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558026923.

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 53012555405 in words is "fifty-three billion, twelve million, five hundred fifty-five thousand, four hundred five".

Divisors: 1 5 19 95 558026899 2790134495 10602511081 53012555405