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52551995 = 510510399
BaseRepresentation
bin1100100001111…
…0000100111011
310122212220210012
43020132010323
5101423130440
65114212135
71205453546
oct310360473
9118786705
1052551995
1127734101
121572404b
13ab6cb72
146d9d85d
154930e65
hex321e13b

52551995 has 4 divisors (see below), whose sum is σ = 63062400. Its totient is φ = 42041592.

The previous prime is 52551979. The next prime is 52551997. The reversal of 52551995 is 59915525.

52551995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52551995 - 24 = 52551979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52551997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5255195 + ... + 5255204.

It is an arithmetic number, because the mean of its divisors is an integer number (15765600).

Almost surely, 252551995 is an apocalyptic number.

52551995 is a deficient number, since it is larger than the sum of its proper divisors (10510405).

52551995 is a wasteful number, since it uses less digits than its factorization.

52551995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10510404.

The product of its digits is 101250, while the sum is 41.

The square root of 52551995 is about 7249.2754810395. The cubic root of 52551995 is about 374.5671925179.

The spelling of 52551995 in words is "fifty-two million, five hundred fifty-one thousand, nine hundred ninety-five".

Divisors: 1 5 10510399 52551995