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53745475 = 527319907
BaseRepresentation
bin1100110100000…
…1011101000011
310202010112221011
43031001131003
5102224323400
65155541351
71221554230
oct315013503
9122115834
1053745475
1128379853
1215bba857
13b19a174
1471d0787
154ab98ba
hex3341743

53745475 has 24 divisors (see below), whose sum is σ = 78629888. Its totient is φ = 35661600.

The previous prime is 53745473. The next prime is 53745491. The reversal of 53745475 is 57454735.

It is not a de Polignac number, because 53745475 - 21 = 53745473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53745473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472 + ... + 10378.

Almost surely, 253745475 is an apocalyptic number.

53745475 is a deficient number, since it is larger than the sum of its proper divisors (24884413).

53745475 is a wasteful number, since it uses less digits than its factorization.

53745475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9955 (or 9950 counting only the distinct ones).

The product of its digits is 294000, while the sum is 40.

The square root of 53745475 is about 7331.1305403737. The cubic root of 53745475 is about 377.3815250338.

The spelling of 53745475 in words is "fifty-three million, seven hundred forty-five thousand, four hundred seventy-five".

Divisors: 1 5 7 25 31 35 155 175 217 775 1085 5425 9907 49535 69349 247675 307117 346745 1535585 1733725 2149819 7677925 10749095 53745475