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53317937 = 131940423
BaseRepresentation
bin1100101101100…
…1000100110001
310201022211110102
43023121010301
5102122133222
65142442145
71215123611
oct313310461
9121284412
1053317937
1128107612
1215a33355
13b07a69a
14711ca41
154a32d92
hex32d9131

53317937 has 4 divisors (see below), whose sum is σ = 53359680. Its totient is φ = 53276196.

The previous prime is 53317919. The next prime is 53317961. The reversal of 53317937 is 73971335.

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 53317937 - 28 = 53317681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53317937.

It is not an unprimeable number, because it can be changed into a prime (53317907) 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, 18893 + ... + 21530.

It is an arithmetic number, because the mean of its divisors is an integer number (13339920).

Almost surely, 253317937 is an apocalyptic number.

It is an amenable number.

53317937 is a deficient number, since it is larger than the sum of its proper divisors (41743).

53317937 is a wasteful number, since it uses less digits than its factorization.

53317937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41742.

The product of its digits is 59535, while the sum is 38.

The square root of 53317937 is about 7301.9132424317. The cubic root of 53317937 is about 376.3781868054.

The spelling of 53317937 in words is "fifty-three million, three hundred seventeen thousand, nine hundred thirty-seven".

Divisors: 1 1319 40423 53317937