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53254021 = 1091273847
BaseRepresentation
bin1100101100100…
…1011110000101
310201012120210011
43023021132011
5102113112041
65141230221
71214436352
oct313113605
9121176704
1053254021
1128073597
1215a02371
13b057572
147103629
154a1de81
hex32c9785

53254021 has 8 divisors (see below), whose sum is σ = 54179840. Its totient is φ = 52336368.

The previous prime is 53253997. The next prime is 53254027. The reversal of 53254021 is 12045235.

53254021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53254021 - 29 = 53253509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53253983 and 53254001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53254027) 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 7 ways as a sum of consecutive naturals, for example, 11920 + ... + 15766.

It is an arithmetic number, because the mean of its divisors is an integer number (6772480).

Almost surely, 253254021 is an apocalyptic number.

It is an amenable number.

53254021 is a deficient number, since it is larger than the sum of its proper divisors (925819).

53254021 is a wasteful number, since it uses less digits than its factorization.

53254021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53254021 is about 7297.5352688425. The cubic root of 53254021 is about 376.2277295752.

Adding to 53254021 its reverse (12045235), we get a palindrome (65299256).

The spelling of 53254021 in words is "fifty-three million, two hundred fifty-four thousand, twenty-one".

Divisors: 1 109 127 3847 13843 419323 488569 53254021