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53125111 = 137157557
BaseRepresentation
bin1100101010100…
…1111111110111
310200222000221201
43022221333313
5102100000421
65134353331
71213361464
oct312517767
9120860851
1053125111
1127a95756
121595b847
13b0109a0
1470ac66b
1549e5b91
hex32a9ff7

53125111 has 8 divisors (see below), whose sum is σ = 58018464. Its totient is φ = 48347040.

The previous prime is 53125099. The next prime is 53125117. The reversal of 53125111 is 11152135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53125111 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 (53125117) 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, 27856 + ... + 29701.

It is an arithmetic number, because the mean of its divisors is an integer number (7252308).

Almost surely, 253125111 is an apocalyptic number.

53125111 is a deficient number, since it is larger than the sum of its proper divisors (4893353).

53125111 is a wasteful number, since it uses less digits than its factorization.

53125111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57641.

The product of its digits is 150, while the sum is 19.

The square root of 53125111 is about 7288.6974830898. The cubic root of 53125111 is about 375.9239108708.

Adding to 53125111 its reverse (11152135), we get a palindrome (64277246).

The spelling of 53125111 in words is "fifty-three million, one hundred twenty-five thousand, one hundred eleven".

Divisors: 1 13 71 923 57557 748241 4086547 53125111