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53828377 = 371454821
BaseRepresentation
bin1100110101010…
…1101100011001
310202021202122121
43031111230121
5102240002002
65201421241
71222351021
oct315255431
9122252577
1053828377
1128426069
121603a821
13b1c8b15
147212a81
154ad4237
hex3355b19

53828377 has 4 divisors (see below), whose sum is σ = 55283236. Its totient is φ = 52373520.

The previous prime is 53828371. The next prime is 53828381. The reversal of 53828377 is 77382835.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27573001 + 26255376 = 5251^2 + 5124^2 .

It is a cyclic number.

It is not a de Polignac number, because 53828377 - 211 = 53826329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53828371) 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, 727374 + ... + 727447.

It is an arithmetic number, because the mean of its divisors is an integer number (13820809).

Almost surely, 253828377 is an apocalyptic number.

It is an amenable number.

53828377 is a deficient number, since it is larger than the sum of its proper divisors (1454859).

53828377 is a wasteful number, since it uses less digits than its factorization.

53828377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454858.

The product of its digits is 282240, while the sum is 43.

The square root of 53828377 is about 7336.7824691754. The cubic root of 53828377 is about 377.5754614286.

The spelling of 53828377 in words is "fifty-three million, eight hundred twenty-eight thousand, three hundred seventy-seven".

Divisors: 1 37 1454821 53828377