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53024012501 = 213173248737
BaseRepresentation
bin110001011000011110…
…100011100011010101
312001212100000220220212
4301120132203203111
51332043121400001
640205304335205
73554661445505
oct613036434325
9161770026825
1053024012501
112053a744439
12a339774505
135000410b35
1427d01c7a05
1515a50cd7bb
hexc587a38d5

53024012501 has 4 divisors (see below), whose sum is σ = 53024474412. Its totient is φ = 53023550592.

The previous prime is 53024012497. The next prime is 53024012581. The reversal of 53024012501 is 10521042035.

53024012501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 24318843025 + 28705169476 = 155945^2 + 169426^2 .

It is a cyclic number.

It is not a de Polignac number, because 53024012501 - 22 = 53024012497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53024012581) 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, 88805 + ... + 337541.

It is an arithmetic number, because the mean of its divisors is an integer number (13256118603).

Almost surely, 253024012501 is an apocalyptic number.

It is an amenable number.

53024012501 is a deficient number, since it is larger than the sum of its proper divisors (461911).

53024012501 is a wasteful number, since it uses less digits than its factorization.

53024012501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461910.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 53024012501 its reverse (10521042035), we get a palindrome (63545054536).

The spelling of 53024012501 in words is "fifty-three billion, twenty-four million, twelve thousand, five hundred one".

Divisors: 1 213173 248737 53024012501