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53936461 = 173172733
BaseRepresentation
bin1100110111000…
…0000101001101
310202111020220201
43031300011031
5102301431321
65204013501
71223311105
oct315600515
9122436821
1053936461
112849a297
1216091291
13b236087
147240205
154b06291
hex337014d

53936461 has 4 divisors (see below), whose sum is σ = 57109212. Its totient is φ = 50763712.

The previous prime is 53936447. The next prime is 53936479. The reversal of 53936461 is 16463935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16463935 = 53292787.

It can be written as a sum of positive squares in 2 ways, for example, as 49070025 + 4866436 = 7005^2 + 2206^2 .

It is a cyclic number.

It is not a de Polignac number, because 53936461 - 225 = 20382029 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 53936461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53936431) 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, 1586350 + ... + 1586383.

It is an arithmetic number, because the mean of its divisors is an integer number (14277303).

Almost surely, 253936461 is an apocalyptic number.

It is an amenable number.

53936461 is a deficient number, since it is larger than the sum of its proper divisors (3172751).

53936461 is a wasteful number, since it uses less digits than its factorization.

53936461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172750.

The product of its digits is 58320, while the sum is 37.

The square root of 53936461 is about 7344.1446745009. The cubic root of 53936461 is about 377.8280084080.

The spelling of 53936461 in words is "fifty-three million, nine hundred thirty-six thousand, four hundred sixty-one".

Divisors: 1 17 3172733 53936461