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53719039 = 1121313389
BaseRepresentation
bin1100110011101…
…0111111111111
310202002012200001
43030322333333
5102223002124
65155215131
71221414163
oct314727777
9122065601
1053719039
1128360a00
1215ba74a7
13b18b11a
1471c4ca3
154ab1b44
hex333afff

53719039 has 12 divisors (see below), whose sum is σ = 59514840. Its totient is φ = 48448400.

The previous prime is 53719033. The next prime is 53719067. The reversal of 53719039 is 93091735.

It is not a de Polignac number, because 53719039 - 215 = 53686271 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 53718989 and 53719007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53719033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14157 + ... + 17545.

It is an arithmetic number, because the mean of its divisors is an integer number (4959570).

Almost surely, 253719039 is an apocalyptic number.

53719039 is a deficient number, since it is larger than the sum of its proper divisors (5795801).

53719039 is a wasteful number, since it uses less digits than its factorization.

53719039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542 (or 3531 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 53719039 is about 7329.3273224765. The cubic root of 53719039 is about 377.3196401702.

The spelling of 53719039 in words is "fifty-three million, seven hundred nineteen thousand, thirty-nine".

Divisors: 1 11 121 131 1441 3389 15851 37279 410069 443959 4883549 53719039