Search a number
-
+
50557825 = 5218111173
BaseRepresentation
bin1100000011011…
…1001110000001
310112010121022001
43000313032001
5100420322300
65003344001
71152506623
oct300671601
9115117261
1050557825
11265a192a
1214b22001
13a622296
146a00c13
15468a16a
hex3037381

50557825 has 12 divisors (see below), whose sum is σ = 63043708. Its totient is φ = 40219200.

The previous prime is 50557789. The next prime is 50557861. The reversal of 50557825 is 52875505.

It is an interprime number because it is at equal distance from previous prime (50557789) and next prime (50557861).

It can be written as a sum of positive squares in 6 ways, for example, as 11532816 + 39025009 = 3396^2 + 6247^2 .

It is not a de Polignac number, because 50557825 - 27 = 50557697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1062 + ... + 10111.

Almost surely, 250557825 is an apocalyptic number.

It is an amenable number.

50557825 is a deficient number, since it is larger than the sum of its proper divisors (12485883).

50557825 is a wasteful number, since it uses less digits than its factorization.

50557825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11364 (or 11359 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 37.

The square root of 50557825 is about 7110.4025905711. The cubic root of 50557825 is about 369.7681162105.

It can be divided in two parts, 5055 and 7825, that added together give a triangular number (12880 = T160).

The spelling of 50557825 in words is "fifty million, five hundred fifty-seven thousand, eight hundred twenty-five".

Divisors: 1 5 25 181 905 4525 11173 55865 279325 2022313 10111565 50557825