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53758069 = 103521923
BaseRepresentation
bin1100110100010…
…0100001110101
310202011012012121
43031010201311
5102230224234
65200115541
71221636031
oct315044165
9122135177
1053758069
1128388262
1216005bb1
13b1a2b11
1471d51c1
154abd4b4
hex3344875

53758069 has 4 divisors (see below), whose sum is σ = 54280096. Its totient is φ = 53236044.

The previous prime is 53758057. The next prime is 53758073. The reversal of 53758069 is 96085735.

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.

It is a cyclic number.

It is not a de Polignac number, because 53758069 - 217 = 53626997 is a prime.

It is a super-2 number, since 2×537580692 = 5779859965217522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53758039) 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, 260859 + ... + 261064.

It is an arithmetic number, because the mean of its divisors is an integer number (13570024).

Almost surely, 253758069 is an apocalyptic number.

It is an amenable number.

53758069 is a deficient number, since it is larger than the sum of its proper divisors (522027).

53758069 is a wasteful number, since it uses less digits than its factorization.

53758069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522026.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 53758069 is about 7331.9894298887. The cubic root of 53758069 is about 377.4109995879.

The spelling of 53758069 in words is "fifty-three million, seven hundred fifty-eight thousand, sixty-nine".

Divisors: 1 103 521923 53758069