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53113741 = 56399419
BaseRepresentation
bin1100101010011…
…1001110001101
310200221110100121
43022213032031
5102044114431
65134224541
71213313362
oct312471615
9120843317
1053113741
1127a8815a
1215955151
13b008765
1470a8469
1549e2611
hex32a738d

53113741 has 4 divisors (see below), whose sum is σ = 53128800. Its totient is φ = 53098684.

The previous prime is 53113733. The next prime is 53113769. The reversal of 53113741 is 14731135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14731135 = 52946227.

It is a cyclic number.

It is not a de Polignac number, because 53113741 - 23 = 53113733 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 (53113771) 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, 930 + ... + 10348.

It is an arithmetic number, because the mean of its divisors is an integer number (13282200).

Almost surely, 253113741 is an apocalyptic number.

It is an amenable number.

53113741 is a deficient number, since it is larger than the sum of its proper divisors (15059).

53113741 is an equidigital number, since it uses as much as digits as its factorization.

53113741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15058.

The product of its digits is 1260, while the sum is 25.

The square root of 53113741 is about 7287.9174666018. The cubic root of 53113741 is about 375.8970901593.

Adding to 53113741 its reverse (14731135), we get a palindrome (67844876).

The spelling of 53113741 in words is "fifty-three million, one hundred thirteen thousand, seven hundred forty-one".

Divisors: 1 5639 9419 53113741