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53779141 = 1331133447
BaseRepresentation
bin1100110100100…
…1101011000101
310202012021010001
43031021223011
5102231413031
65200401301
71222054333
oct315115305
9122167101
1053779141
11283a2079
1216016231
13b1ac5a0
1471dcb53
154ac4861
hex3349ac5

53779141 has 8 divisors (see below), whose sum is σ = 59784704. Its totient is φ = 48040560.

The previous prime is 53779127. The next prime is 53779151. The reversal of 53779141 is 14197735.

53779141 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 53779141 - 29 = 53778629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53779141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53779151) 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, 66321 + ... + 67126.

It is an arithmetic number, because the mean of its divisors is an integer number (7473088).

Almost surely, 253779141 is an apocalyptic number.

It is an amenable number.

53779141 is a deficient number, since it is larger than the sum of its proper divisors (6005563).

53779141 is a wasteful number, since it uses less digits than its factorization.

53779141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133491.

The product of its digits is 26460, while the sum is 37.

The square root of 53779141 is about 7333.4262797140. The cubic root of 53779141 is about 377.4603054618.

The spelling of 53779141 in words is "fifty-three million, seven hundred seventy-nine thousand, one hundred forty-one".

Divisors: 1 13 31 403 133447 1734811 4136857 53779141