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53927621 = 1117288383
BaseRepresentation
bin1100110110110…
…1111011000101
310202110210210022
43031231323011
5102301140441
65203504525
71223243246
oct315557305
9122423708
1053927621
1128493690
1216088145
13b232047
14723accd
154b0384b
hex336dec5

53927621 has 8 divisors (see below), whose sum is σ = 62290944. Its totient is φ = 46141120.

The previous prime is 53927609. The next prime is 53927623. The reversal of 53927621 is 12672935.

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 53927621 - 26 = 53927557 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 (53927623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144005 + ... + 144378.

It is an arithmetic number, because the mean of its divisors is an integer number (7786368).

Almost surely, 253927621 is an apocalyptic number.

It is an amenable number.

53927621 is a deficient number, since it is larger than the sum of its proper divisors (8363323).

53927621 is a wasteful number, since it uses less digits than its factorization.

53927621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288411.

The product of its digits is 22680, while the sum is 35.

The square root of 53927621 is about 7343.5428098432. The cubic root of 53927621 is about 377.8073657109.

The spelling of 53927621 in words is "fifty-three million, nine hundred twenty-seven thousand, six hundred twenty-one".

Divisors: 1 11 17 187 288383 3172213 4902511 53927621