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52000053 = 376433851
BaseRepresentation
bin1100011001011…
…1010100110101
310121211212122220
43012113110311
5101303000203
65054312553
71200664440
oct306272465
9117755586
1052000053
1127397456
12154b8759
13aa08881
146c98657
154872653
hex3197535

52000053 has 16 divisors (see below), whose sum is σ = 79382016. Its totient is φ = 29660400.

The previous prime is 52000043. The next prime is 52000061. The reversal of 52000053 is 35000025.

It is not a de Polignac number, because 52000053 - 217 = 51868981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51999996 and 52000041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52000043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11578 + ... + 15428.

It is an arithmetic number, because the mean of its divisors is an integer number (4961376).

Almost surely, 252000053 is an apocalyptic number.

It is an amenable number.

52000053 is a deficient number, since it is larger than the sum of its proper divisors (27381963).

52000053 is a wasteful number, since it uses less digits than its factorization.

52000053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504.

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 52000053 is about 7211.1062258158. The cubic root of 52000053 is about 373.2512424914.

Adding to 52000053 its reverse (35000025), we get a palindrome (87000078).

The spelling of 52000053 in words is "fifty-two million, fifty-three", and thus it is an aban number and an uban number.

Divisors: 1 3 7 21 643 1929 3851 4501 11553 13503 26957 80871 2476193 7428579 17333351 52000053