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50455081 is a prime number
BaseRepresentation
bin1100000001111…
…0001000101001
310111221101100201
43000132020221
5100404030311
65001232201
71151601235
oct300361051
9114841321
1050455081
1126531716
1214a92661
13a5b75a1
1469b55c5
1546699c1
hex301e229

50455081 has 2 divisors, whose sum is σ = 50455082. Its totient is φ = 50455080.

The previous prime is 50455019. The next prime is 50455091. The reversal of 50455081 is 18055405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45091225 + 5363856 = 6715^2 + 2316^2 .

It is a cyclic number.

It is not a de Polignac number, because 50455081 - 215 = 50422313 is a prime.

It is a super-2 number, since 2×504550812 = 5091430397433122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50455091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25227540 + 25227541.

It is an arithmetic number, because the mean of its divisors is an integer number (25227541).

Almost surely, 250455081 is an apocalyptic number.

It is an amenable number.

50455081 is a deficient number, since it is larger than the sum of its proper divisors (1).

50455081 is an equidigital number, since it uses as much as digits as its factorization.

50455081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 50455081 is about 7103.1740088498. The cubic root of 50455081 is about 369.5174644737.

The spelling of 50455081 in words is "fifty million, four hundred fifty-five thousand, eighty-one".