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53022871 = 117167891
BaseRepresentation
bin1100101001000…
…1000010010111
310200202211201001
43022101002113
5102033212441
65132244131
71212454426
oct312210227
9120684631
1053022871
1127a25960
1215910647
13aca62a5
1470832bd
1549c5731
hex3291097

53022871 has 8 divisors (see below), whose sum is σ = 58658688. Its totient is φ = 47523000.

The previous prime is 53022841. The next prime is 53022883. The reversal of 53022871 is 17822035.

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 53022871 - 27 = 53022743 is a prime.

It is a super-2 number, since 2×530228712 = 5622849698165282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53022811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33165 + ... + 34726.

It is an arithmetic number, because the mean of its divisors is an integer number (7332336).

Almost surely, 253022871 is an apocalyptic number.

53022871 is a deficient number, since it is larger than the sum of its proper divisors (5635817).

53022871 is a wasteful number, since it uses less digits than its factorization.

53022871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67973.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 53022871 is about 7281.6805065864. The cubic root of 53022871 is about 375.6825991057.

The spelling of 53022871 in words is "fifty-three million, twenty-two thousand, eight hundred seventy-one".

Divisors: 1 11 71 781 67891 746801 4820261 53022871