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53937409 = 194995689
BaseRepresentation
bin1100110111000…
…0010100000001
310202111022012211
43031300110001
5102301444114
65204022121
71223313631
oct315602401
9122438184
1053937409
112849aa79
1216091941
13b236636
1472406c1
154b066c4
hex3370501

53937409 has 8 divisors (see below), whose sum is σ = 56900000. Its totient is φ = 50987232.

The previous prime is 53937407. The next prime is 53937503. The reversal of 53937409 is 90473935.

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 53937409 - 21 = 53937407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53937407) 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, 6637 + ... + 12325.

It is an arithmetic number, because the mean of its divisors is an integer number (7112500).

Almost surely, 253937409 is an apocalyptic number.

It is an amenable number.

53937409 is a deficient number, since it is larger than the sum of its proper divisors (2962591).

53937409 is a wasteful number, since it uses less digits than its factorization.

53937409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6207.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 53937409 is about 7344.2092154295. The cubic root of 53937409 is about 377.8302219932.

The spelling of 53937409 in words is "fifty-three million, nine hundred thirty-seven thousand, four hundred nine".

Divisors: 1 19 499 5689 9481 108091 2838811 53937409