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53920875 = 353532713
BaseRepresentation
bin1100110110110…
…0010001101011
310202110110112110
43031230101223
5102300432000
65203413403
71223214501
oct315542153
9122413473
1053920875
1128489608
1216084263
13b22bc58
147238671
154b01850
hex336c46b

53920875 has 32 divisors (see below), whose sum is σ = 91450944. Its totient is φ = 28204800.

The previous prime is 53920861. The next prime is 53920903. The reversal of 53920875 is 57802935.

It is not a de Polignac number, because 53920875 - 27 = 53920747 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18519 + ... + 21231.

It is an arithmetic number, because the mean of its divisors is an integer number (2857842).

Almost surely, 253920875 is an apocalyptic number.

53920875 is a deficient number, since it is larger than the sum of its proper divisors (37530069).

53920875 is a wasteful number, since it uses less digits than its factorization.

53920875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784 (or 2774 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 53920875 is about 7343.0834803916. The cubic root of 53920875 is about 377.7916112934.

The spelling of 53920875 in words is "fifty-three million, nine hundred twenty thousand, eight hundred seventy-five".

Divisors: 1 3 5 15 25 53 75 125 159 265 375 795 1325 2713 3975 6625 8139 13565 19875 40695 67825 143789 203475 339125 431367 718945 1017375 2156835 3594725 10784175 17973625 53920875